65278002874 has 64 divisors (see below), whose sum is σ = 123833359872. Its totient is φ = 25146316800.

The previous prime is 65278002863. The next prime is 65278002883. The reversal of 65278002874 is 47820087256.

It is a super-2 number, since 2×65278002874² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3609294 + ... + 3627334.

It is an arithmetic number, because the mean of its divisors is an integer number (1934896248).

Almost surely, 2^65278002874 is an apocalyptic number.

65278002874 is a deficient number, since it is larger than the sum of its proper divisors (58555356998).

65278002874 is a wasteful number, since it uses less digits than its factorization.

65278002874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18751.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 65278002874 in words is "sixty-five billion, two hundred seventy-eight million, two thousand, eight hundred seventy-four".