79880076 has 36 divisors (see below), whose sum is σ = 213798312. Its totient is φ = 25060224.

The previous prime is 79880071. The next prime is 79880083. The reversal of 79880076 is 67008897.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (79880071) 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, 64650 + ... + 65873.

It is an arithmetic number, because the mean of its divisors is an integer number (5938842).

Almost surely, 2^79880076 is an apocalyptic number.

It is an amenable number.

79880076 is an abundant number, since it is smaller than the sum of its proper divisors (133918236).

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

79880076 is a wasteful number, since it uses less digits than its factorization.

79880076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130550 (or 130545 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 79880076 is about 8937.5654403199. The cubic root of 79880076 is about 430.6715233099.

The spelling of 79880076 in words is "seventy-nine million, eight hundred eighty thousand, seventy-six".