65857277796 has 48 divisors (see below), whose sum is σ = 158685381120. Its totient is φ = 21236060160.

The previous prime is 65857277779. The next prime is 65857277821. The reversal of 65857277796 is 69777275856.

It is a self number, because there is not a number n which added to its sum of digits gives 65857277796.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967390 + ... + 1033226.

It is an arithmetic number, because the mean of its divisors is an integer number (3305945440).

Almost surely, 2^65857277796 is an apocalyptic number.

It is an amenable number.

65857277796 is an abundant number, since it is smaller than the sum of its proper divisors (92828103324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65857277796 is a wasteful number, since it uses less digits than its factorization.

65857277796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68564 (or 68562 counting only the distinct ones).

The product of its digits is 311169600, while the sum is 69.

The spelling of 65857277796 in words is "sixty-five billion, eight hundred fifty-seven million, two hundred seventy-seven thousand, seven hundred ninety-six".