89511664 has 40 divisors (see below), whose sum is σ = 200330928. Its totient is φ = 38292480.

The previous prime is 89511649. The next prime is 89511671. The reversal of 89511664 is 46611598.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11967 + ... + 17950.

Almost surely, 2^89511664 is an apocalyptic number.

89511664 is the 5984-th heptagonal number.

It is an amenable number.

89511664 is an abundant number, since it is smaller than the sum of its proper divisors (110819264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89511664 is a wasteful number, since it uses less digits than its factorization.

89511664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29953 (or 29947 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 89511664 is about 9461.0604056839. The cubic root of 89511664 is about 447.3284741545.

The spelling of 89511664 in words is "eighty-nine million, five hundred eleven thousand, six hundred sixty-four".