88320715 has 16 divisors (see below), whose sum is σ = 122588928. Its totient is φ = 59831136.

The previous prime is 88320709. The next prime is 88320719. The reversal of 88320715 is 51702388.

It is a cyclic number.

It is not a de Polignac number, because 88320715 - 2³ = 88320707 is a prime.

It is a super-2 number, since 2×88320715² = 15601097396222450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88320719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12297 + ... + 18106.

It is an arithmetic number, because the mean of its divisors is an integer number (7661808).

Almost surely, 2^88320715 is an apocalyptic number.

88320715 is a deficient number, since it is larger than the sum of its proper divisors (34268213).

88320715 is a wasteful number, since it uses less digits than its factorization.

88320715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30498.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 88320715 is about 9397.9101400258. The cubic root of 88320715 is about 445.3357143495.

The spelling of 88320715 in words is "eighty-eight million, three hundred twenty thousand, seven hundred fifteen".