51764877859 has 2 divisors, whose sum is σ = 51764877860. Its totient is φ = 51764877858.

The previous prime is 51764877851. The next prime is 51764877863. The reversal of 51764877859 is 95877846715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51764877859 - 2³ = 51764877851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51764877794 and 51764877803.

It is not a weakly prime, because it can be changed into another prime (51764877851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25882438929 + 25882438930.

It is an arithmetic number, because the mean of its divisors is an integer number (25882438930).

Almost surely, 2^51764877859 is an apocalyptic number.

51764877859 is a deficient number, since it is larger than the sum of its proper divisors (1).

51764877859 is an equidigital number, since it uses as much as digits as its factorization.

51764877859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 118540800, while the sum is 67.

The spelling of 51764877859 in words is "fifty-one billion, seven hundred sixty-four million, eight hundred seventy-seven thousand, eight hundred fifty-nine".