65292775885 has 16 divisors (see below), whose sum is σ = 78979276800. Its totient is φ = 51816132736.

The previous prime is 65292775871. The next prime is 65292775901. The reversal of 65292775885 is 58857729256.

It is a cyclic number.

It is not a de Polignac number, because 65292775885 - 2²⁵ = 65259221453 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 952596 + ... + 1018834.

It is an arithmetic number, because the mean of its divisors is an integer number (4936204800).

Almost surely, 2^65292775885 is an apocalyptic number.

It is an amenable number.

65292775885 is a deficient number, since it is larger than the sum of its proper divisors (13686500915).

65292775885 is a wasteful number, since it uses less digits than its factorization.

65292775885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67820.

The product of its digits is 84672000, while the sum is 64.

The spelling of 65292775885 in words is "sixty-five billion, two hundred ninety-two million, seven hundred seventy-five thousand, eight hundred eighty-five".