65960780874 has 32 divisors (see below), whose sum is σ = 144902407680. Its totient is φ = 19924079472.

The previous prime is 65960780863. The next prime is 65960780891. The reversal of 65960780874 is 47808706956.

65960780874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65960780874² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 12575712 + ... + 12580955.

It is an arithmetic number, because the mean of its divisors is an integer number (4528200240).

Almost surely, 2^65960780874 is an apocalyptic number.

65960780874 is an abundant number, since it is smaller than the sum of its proper divisors (78941626806).

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

65960780874 is a wasteful number, since it uses less digits than its factorization.

65960780874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25156714.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 65960780874 in words is "sixty-five billion, nine hundred sixty million, seven hundred eighty thousand, eight hundred seventy-four".