88390617 has 16 divisors (see below), whose sum is σ = 136206720. Its totient is φ = 49940352.

The previous prime is 88390609. The next prime is 88390639. The reversal of 88390617 is 71609388.

It is not a de Polignac number, because 88390617 - 2³ = 88390609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88390657) 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, 21778 + ... + 25515.

It is an arithmetic number, because the mean of its divisors is an integer number (8512920).

Almost surely, 2^88390617 is an apocalyptic number.

It is an amenable number.

88390617 is a deficient number, since it is larger than the sum of its proper divisors (47816103).

88390617 is a wasteful number, since it uses less digits than its factorization.

88390617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47392.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 88390617 is about 9401.6284227787. The cubic root of 88390617 is about 445.4531713095.

The spelling of 88390617 in words is "eighty-eight million, three hundred ninety thousand, six hundred seventeen".