89775516 has 12 divisors (see below), whose sum is σ = 209476232. Its totient is φ = 29925168.

The previous prime is 89775391. The next prime is 89775523. The reversal of 89775516 is 61557798.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3740635 + ... + 3740658.

Almost surely, 2^89775516 is an apocalyptic number.

It is an amenable number.

89775516 is an abundant number, since it is smaller than the sum of its proper divisors (119700716).

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

89775516 is a wasteful number, since it uses less digits than its factorization.

89775516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7481300 (or 7481298 counting only the distinct ones).

The product of its digits is 529200, while the sum is 48.

The square root of 89775516 is about 9474.9942480194. The cubic root of 89775516 is about 447.7675704935.

The spelling of 89775516 in words is "eighty-nine million, seven hundred seventy-five thousand, five hundred sixteen".