79697288 has 16 divisors (see below), whose sum is σ = 163017360. Its totient is φ = 36226000.

The previous prime is 79697263. The next prime is 79697327. The reversal of 79697288 is 88279697.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452738 + ... + 452913.

It is an arithmetic number, because the mean of its divisors is an integer number (10188585).

Almost surely, 2^79697288 is an apocalyptic number.

It is an amenable number.

79697288 is an abundant number, since it is smaller than the sum of its proper divisors (83320072).

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

79697288 is a wasteful number, since it uses less digits than its factorization.

79697288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905668 (or 905664 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 56.

The square root of 79697288 is about 8927.3337565031. Note that the first 3 decimals coincide. The cubic root of 79697288 is about 430.3427733784.

The spelling of 79697288 in words is "seventy-nine million, six hundred ninety-seven thousand, two hundred eighty-eight".