89585816 has 8 divisors (see below), whose sum is σ = 167973420. Its totient is φ = 44792904.

The previous prime is 89585789. The next prime is 89585833. The reversal of 89585816 is 61858598.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599106 + ... + 5599121.

Almost surely, 2^89585816 is an apocalyptic number.

It is an amenable number.

89585816 is a deficient number, since it is larger than the sum of its proper divisors (78387604).

89585816 is a wasteful number, since it uses less digits than its factorization.

89585816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11198233 (or 11198229 counting only the distinct ones).

The product of its digits is 691200, while the sum is 50.

The square root of 89585816 is about 9464.9783940588. The cubic root of 89585816 is about 447.4519632592.

The spelling of 89585816 in words is "eighty-nine million, five hundred eighty-five thousand, eight hundred sixteen".