79254566400 has 120 divisors (see below), whose sum is σ = 261812633544. Its totient is φ = 21134540800.

The previous prime is 79254566387. The next prime is 79254566401. The reversal of 79254566400 is 466545297.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 79254566400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79254566401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 993561 + ... + 1070360.

Almost surely, 2^79254566400 is an apocalyptic number.

It is an amenable number.

79254566400 is an abundant number, since it is smaller than the sum of its proper divisors (182558067144).

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

79254566400 is a wasteful number, since it uses less digits than its factorization.

79254566400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063952 (or 2063931 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 79254566400 in words is "seventy-nine billion, two hundred fifty-four million, five hundred sixty-six thousand, four hundred".