79799587 has 12 divisors (see below), whose sum is σ = 93094680. Its totient is φ = 68203296.

The previous prime is 79799569. The next prime is 79799593. The reversal of 79799587 is 78599797.

It is a de Polignac number, because none of the positive numbers 2^k-79799587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79799507) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 16423 + ... + 20719.

It is an arithmetic number, because the mean of its divisors is an integer number (7757890).

Almost surely, 2^79799587 is an apocalyptic number.

79799587 is a deficient number, since it is larger than the sum of its proper divisors (13295093).

79799587 is a wasteful number, since it uses less digits than its factorization.

79799587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690 (or 4683 counting only the distinct ones).

The product of its digits is 10001880, while the sum is 61.

The square root of 79799587 is about 8933.0614573057. The cubic root of 79799587 is about 430.5268231904.

The spelling of 79799587 in words is "seventy-nine million, seven hundred ninety-nine thousand, five hundred eighty-seven".