79767072894 has 16 divisors (see below), whose sum is σ = 161326665360. Its totient is φ = 26290271040.

The previous prime is 79767072871. The next prime is 79767072929. The reversal of 79767072894 is 49827076797.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74687737 + ... + 74688804.

It is an arithmetic number, because the mean of its divisors is an integer number (10082916585).

Almost surely, 2^79767072894 is an apocalyptic number.

79767072894 is an abundant number, since it is smaller than the sum of its proper divisors (81559592466).

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

79767072894 is a wasteful number, since it uses less digits than its factorization.

79767072894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149376635.

The product of its (nonzero) digits is 74680704, while the sum is 66.

The spelling of 79767072894 in words is "seventy-nine billion, seven hundred sixty-seven million, seventy-two thousand, eight hundred ninety-four".