79958934771 has 8 divisors (see below), whose sum is σ = 106613606400. Its totient is φ = 53305109832.

The previous prime is 79958934751. The next prime is 79958934857. The reversal of 79958934771 is 17743985997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79958934771 - 2⁶ = 79958934707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79958934696 and 79958934705.

It is not an unprimeable number, because it can be changed into a prime (79958934751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57630 + ... + 404028.

It is an arithmetic number, because the mean of its divisors is an integer number (13326700800).

Almost surely, 2^79958934771 is an apocalyptic number.

79958934771 is a deficient number, since it is larger than the sum of its proper divisors (26654671629).

79958934771 is a wasteful number, since it uses less digits than its factorization.

79958934771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423345.

The product of its digits is 120022560, while the sum is 69.

The spelling of 79958934771 in words is "seventy-nine billion, nine hundred fifty-eight million, nine hundred thirty-four thousand, seven hundred seventy-one".