78974500670 has 32 divisors (see below), whose sum is σ = 154667294208. Its totient is φ = 28859194368.

The previous prime is 78974500607. The next prime is 78974500699. The reversal of 78974500670 is 7600547987.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3118814 + ... + 3144033.

It is an arithmetic number, because the mean of its divisors is an integer number (4833352944).

Almost surely, 2^78974500670 is an apocalyptic number.

78974500670 is a deficient number, since it is larger than the sum of its proper divisors (75692793538).

78974500670 is a wasteful number, since it uses less digits than its factorization.

78974500670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262964.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 78974500670 in words is "seventy-eight billion, nine hundred seventy-four million, five hundred thousand, six hundred seventy".