79220688 has 40 divisors (see below), whose sum is σ = 205748736. Its totient is φ = 26265600.

The previous prime is 79220681. The next prime is 79220707. The reversal of 79220688 is 88602297.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79220681) 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, 4848 + ... + 13488.

Almost surely, 2^79220688 is an apocalyptic number.

It is an amenable number.

79220688 is an abundant number, since it is smaller than the sum of its proper divisors (126528048).

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

79220688 is a wasteful number, since it uses less digits than its factorization.

79220688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8843 (or 8837 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 79220688 is about 8900.6004291845. The cubic root of 79220688 is about 429.4832227009.

The spelling of 79220688 in words is "seventy-nine million, two hundred twenty thousand, six hundred eighty-eight".