89791664 has 20 divisors (see below), whose sum is σ = 174126504. Its totient is φ = 44855808.

The previous prime is 89791651. The next prime is 89791729. The reversal of 89791664 is 46619798.

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, 25499 + ... + 28805.

Almost surely, 2^89791664 is an apocalyptic number.

It is an amenable number.

89791664 is a deficient number, since it is larger than the sum of its proper divisors (84334840).

89791664 is a wasteful number, since it uses less digits than its factorization.

89791664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012 (or 5006 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 89791664 is about 9475.8463474246. The cubic root of 89791664 is about 447.7944156646.

The spelling of 89791664 in words is "eighty-nine million, seven hundred ninety-one thousand, six hundred sixty-four".