5257826797977 has 64 divisors (see below), whose sum is σ = 8497749657600. Its totient is φ = 3193542676800.

The previous prime is 5257826797943. The next prime is 5257826798023. The reversal of 5257826797977 is 7797976287525.

It is a happy number.

5257826797977 is a `hidden beast` number, since 525 + 7 + 82 + 6 + 7 + 9 + 7 + 9 + 7 + 7 = 666.

It is not a de Polignac number, because 5257826797977 - 2⁷ = 5257826797849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5257826797896 and 5257826797905.

It is not an unprimeable number, because it can be changed into a prime (5257826797177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30532924 + ... + 30704642.

It is an arithmetic number, because the mean of its divisors is an integer number (132777338400).

Almost surely, 2^{5257826797977} is an apocalyptic number.

It is an amenable number.

5257826797977 is a deficient number, since it is larger than the sum of its proper divisors (3239922859623).

5257826797977 is a wasteful number, since it uses less digits than its factorization.

5257826797977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172875 (or 172869 counting only the distinct ones).

The product of its digits is 6534561600, while the sum is 81.

The spelling of 5257826797977 in words is "five trillion, two hundred fifty-seven billion, eight hundred twenty-six million, seven hundred ninety-seven thousand, nine hundred seventy-seven".