79609968 has 30 divisors (see below), whose sum is σ = 222797744. Its totient is φ = 26536608.

The previous prime is 79609967. The next prime is 79609973. The reversal of 79609968 is 86990697.

It is a super-2 number, since 2×79609968² = 12675494009922048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79609967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276280 + ... + 276567.

Almost surely, 2^79609968 is an apocalyptic number.

It is an amenable number.

79609968 is an abundant number, since it is smaller than the sum of its proper divisors (143187776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79609968 is a wasteful number, since it uses less digits than its factorization.

79609968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552861 (or 552852 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 79609968 is about 8922.4418182468. The cubic root of 79609968 is about 430.1855481906.

The spelling of 79609968 in words is "seventy-nine million, six hundred nine thousand, nine hundred sixty-eight".