65776364625 has 32 divisors (see below), whose sum is σ = 109706088960. Its totient is φ = 34999248000.

The previous prime is 65776364567. The next prime is 65776364639. The reversal of 65776364625 is 52646367756.

It is not a de Polignac number, because 65776364625 - 2¹⁴ = 65776348241 is a prime.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 41860 + ... + 365109.

It is an arithmetic number, because the mean of its divisors is an integer number (3428315280).

Almost surely, 2^65776364625 is an apocalyptic number.

It is an amenable number.

65776364625 is a deficient number, since it is larger than the sum of its proper divisors (43929724335).

65776364625 is a wasteful number, since it uses less digits than its factorization.

65776364625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407418 (or 407408 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 57.

The spelling of 65776364625 in words is "sixty-five billion, seven hundred seventy-six million, three hundred sixty-four thousand, six hundred twenty-five".