79400255672 has 16 divisors (see below), whose sum is σ = 152899141560. Its totient is φ = 38627151264.

The previous prime is 79400255663. The next prime is 79400255747. The reversal of 79400255672 is 27655200497.

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 3 ways as a sum of consecutive naturals, for example, 134121758 + ... + 134122349.

Almost surely, 2^79400255672 is an apocalyptic number.

It is an amenable number.

79400255672 is a deficient number, since it is larger than the sum of its proper divisors (73498885888).

79400255672 is a wasteful number, since it uses less digits than its factorization.

79400255672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268244150 (or 268244146 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 79400255672 in words is "seventy-nine billion, four hundred million, two hundred fifty-five thousand, six hundred seventy-two".