79497988 has 6 divisors (see below), whose sum is σ = 139121486. Its totient is φ = 39748992.

The previous prime is 79497973. The next prime is 79498021. The reversal of 79497988 is 88979497.

It can be written as a sum of positive squares in only one way, i.e., 73307844 + 6190144 = 8562^2 + 2488^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9937245 + ... + 9937252.

Almost surely, 2^79497988 is an apocalyptic number.

It is an amenable number.

79497988 is a deficient number, since it is larger than the sum of its proper divisors (59623498).

79497988 is a wasteful number, since it uses less digits than its factorization.

79497988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19874501 (or 19874499 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 61.

The square root of 79497988 is about 8916.1644219922. The cubic root of 79497988 is about 429.9837527663.

The spelling of 79497988 in words is "seventy-nine million, four hundred ninety-seven thousand, nine hundred eighty-eight".