79087972 has 12 divisors (see below), whose sum is σ = 138473020. Its totient is φ = 39524256.

The previous prime is 79087919. The next prime is 79087993. The reversal of 79087972 is 27978097.

It can be written as a sum of positive squares in 2 ways, for example, as 43375396 + 35712576 = 6586^2 + 5976^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7654 + ... + 14722.

Almost surely, 2^79087972 is an apocalyptic number.

It is an amenable number.

79087972 is a deficient number, since it is larger than the sum of its proper divisors (59385048).

79087972 is a wasteful number, since it uses less digits than its factorization.

79087972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9870 (or 9868 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 49.

The square root of 79087972 is about 8893.1418520116. The cubic root of 79087972 is about 429.2432552706.

The spelling of 79087972 in words is "seventy-nine million, eighty-seven thousand, nine hundred seventy-two".