51025763408877 has 12 divisors (see below), whose sum is σ = 73753646792124. Its totient is φ = 33994206538560.

The previous prime is 51025763408843. The next prime is 51025763408909. The reversal of 51025763408877 is 77880436752015.

It is a happy number.

51025763408877 is a `hidden beast` number, since 5 + 10 + 2 + 576 + 3 + 40 + 8 + 8 + 7 + 7 = 666.

51025763408877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38111126843241 + 12914636565636 = 6173421^2 + 3593694^2 .

It is not a de Polignac number, because 51025763408877 - 2¹⁴ = 51025763392493 is a prime.

It is a super-2 number, since 2×51025763408877² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51025763404877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1914074878 + ... + 1914101535.

It is an arithmetic number, because the mean of its divisors is an integer number (6146137232677).

Almost surely, 2^{51025763408877} is an apocalyptic number.

It is an amenable number.

51025763408877 is a deficient number, since it is larger than the sum of its proper divisors (22727883383247).

51025763408877 is a wasteful number, since it uses less digits than its factorization.

51025763408877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828177900 (or 3828177897 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 63.

The spelling of 51025763408877 in words is "fifty-one trillion, twenty-five billion, seven hundred sixty-three million, four hundred eight thousand, eight hundred seventy-seven".