79509676 has 12 divisors (see below), whose sum is σ = 139264272. Its totient is φ = 39719888.

The previous prime is 79509659. The next prime is 79509679. The reversal of 79509676 is 67690597.

It is not an unprimeable number, because it can be changed into a prime (79509679) 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, 3235 + ... + 13018.

It is an arithmetic number, because the mean of its divisors is an integer number (11605356).

Almost surely, 2^79509676 is an apocalyptic number.

It is an amenable number.

79509676 is a deficient number, since it is larger than the sum of its proper divisors (59754596).

79509676 is a wasteful number, since it uses less digits than its factorization.

79509676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17480 (or 17478 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 49.

The square root of 79509676 is about 8916.8198366907. The cubic root of 79509676 is about 430.0048241752.

The spelling of 79509676 in words is "seventy-nine million, five hundred nine thousand, six hundred seventy-six".