79595959 has 4 divisors (see below), whose sum is σ = 83785240. Its totient is φ = 75406680.

The previous prime is 79595953. The next prime is 79595977. The reversal of 79595959 is 95959597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95959597 = 797 ⋅120401.

It is a cyclic number.

It is not a de Polignac number, because 79595959 - 2³ = 79595951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79595951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094612 + ... + 2094649.

It is an arithmetic number, because the mean of its divisors is an integer number (20946310).

Almost surely, 2^79595959 is an apocalyptic number.

79595959 is a deficient number, since it is larger than the sum of its proper divisors (4189281).

79595959 is a wasteful number, since it uses less digits than its factorization.

79595959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189280.

The product of its digits is 5740875, while the sum is 58.

The square root of 79595959 is about 8921.6567407629. The cubic root of 79595959 is about 430.1603133989.

The spelling of 79595959 in words is "seventy-nine million, five hundred ninety-five thousand, nine hundred fifty-nine".