89987884 has 12 divisors (see below), whose sum is σ = 179975824. Its totient is φ = 38566224.

The previous prime is 89987867. The next prime is 89987897. The reversal of 89987884 is 48878998.

89987884 is an admirable 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, 1606899 + ... + 1606954.

Almost surely, 2^89987884 is an apocalyptic number.

It is an amenable number.

89987884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

89987884 is a wasteful number, since it uses less digits than its factorization.

89987884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213864 (or 3213862 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 61.

The square root of 89987884 is about 9486.1943897434. The cubic root of 89987884 is about 448.1203638644.

The spelling of 89987884 in words is "eighty-nine million, nine hundred eighty-seven thousand, eight hundred eighty-four".