89379717 has 16 divisors (see below), whose sum is σ = 136735872. Its totient is φ = 50872320.

The previous prime is 89379709. The next prime is 89379721. The reversal of 89379717 is 71797398.

It is a happy number.

It is not a de Polignac number, because 89379717 - 2³ = 89379709 is a prime.

It is a super-2 number, since 2×89379717² = 15977467622000178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89379717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89379737) 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, 2884 + ... + 13677.

It is an arithmetic number, because the mean of its divisors is an integer number (8545992).

Almost surely, 2^89379717 is an apocalyptic number.

It is an amenable number.

89379717 is a deficient number, since it is larger than the sum of its proper divisors (47356155).

89379717 is a wasteful number, since it uses less digits than its factorization.

89379717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16828.

The product of its digits is 666792, while the sum is 51.

The square root of 89379717 is about 9454.0846727750. The cubic root of 89379717 is about 447.1085673360.

The spelling of 89379717 in words is "eighty-nine million, three hundred seventy-nine thousand, seven hundred seventeen".