89691088 has 20 divisors (see below), whose sum is σ = 173926368. Its totient is φ = 44806880.

The previous prime is 89691079. The next prime is 89691101. The reversal of 89691088 is 88019698.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29445 + ... + 32347.

Almost surely, 2^89691088 is an apocalyptic number.

It is an amenable number.

89691088 is a deficient number, since it is larger than the sum of its proper divisors (84235280).

89691088 is a wasteful number, since it uses less digits than its factorization.

89691088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842 (or 4836 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 89691088 is about 9470.5378939108. The cubic root of 89691088 is about 447.6271610995.

The spelling of 89691088 in words is "eighty-nine million, six hundred ninety-one thousand, eighty-eight".