89011764 has 24 divisors (see below), whose sum is σ = 230771520. Its totient is φ = 29670552.

The previous prime is 89011739. The next prime is 89011799. The reversal of 89011764 is 46711098.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411984 + ... + 412199.

It is an arithmetic number, because the mean of its divisors is an integer number (9615480).

Almost surely, 2^89011764 is an apocalyptic number.

It is an amenable number.

89011764 is an abundant number, since it is smaller than the sum of its proper divisors (141759756).

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

89011764 is a wasteful number, since it uses less digits than its factorization.

89011764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824196 (or 824188 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 89011764 is about 9434.6046022078. The cubic root of 89011764 is about 446.4941803252.

The spelling of 89011764 in words is "eighty-nine million, eleven thousand, seven hundred sixty-four".