79635879 has 20 divisors (see below), whose sum is σ = 119670936. Its totient is φ = 52774416.

The previous prime is 79635863. The next prime is 79635883. The reversal of 79635879 is 97853697.

It is not a de Polignac number, because 79635879 - 2⁴ = 79635863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79635679) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11172 + ... + 16854.

Almost surely, 2^79635879 is an apocalyptic number.

79635879 is a deficient number, since it is larger than the sum of its proper divisors (40035057).

79635879 is a wasteful number, since it uses less digits than its factorization.

79635879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868 (or 5859 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 79635879 is about 8923.8937129484. The cubic root of 79635879 is about 430.2322145773.

The spelling of 79635879 in words is "seventy-nine million, six hundred thirty-five thousand, eight hundred seventy-nine".