79508069 has 8 divisors (see below), whose sum is σ = 80638272. Its totient is φ = 78384960.

The previous prime is 79508063. The next prime is 79508081. The reversal of 79508069 is 96080597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79508069 is a prime.

It is a super-2 number, since 2×79508069² = 12643066072217522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79508063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23222 + ... + 26424.

It is an arithmetic number, because the mean of its divisors is an integer number (10079784).

Almost surely, 2^79508069 is an apocalyptic number.

It is an amenable number.

79508069 is a deficient number, since it is larger than the sum of its proper divisors (1130203).

79508069 is a wasteful number, since it uses less digits than its factorization.

79508069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 79508069 is about 8916.7297256337. The cubic root of 79508069 is about 430.0019271592.

The spelling of 79508069 in words is "seventy-nine million, five hundred eight thousand, sixty-nine".