79121089274 has 32 divisors (see below), whose sum is σ = 127439536896. Its totient is φ = 36707489280.

The previous prime is 79121089237. The next prime is 79121089357. The reversal of 79121089274 is 47298012197.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7259369 + ... + 7270259.

It is an arithmetic number, because the mean of its divisors is an integer number (3982485528).

Almost surely, 2^79121089274 is an apocalyptic number.

79121089274 is a deficient number, since it is larger than the sum of its proper divisors (48318447622).

79121089274 is a wasteful number, since it uses less digits than its factorization.

79121089274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13910.

The product of its (nonzero) digits is 508032, while the sum is 50.

The spelling of 79121089274 in words is "seventy-nine billion, one hundred twenty-one million, eighty-nine thousand, two hundred seventy-four".