89800866 has 16 divisors (see below), whose sum is σ = 199557600. Its totient is φ = 29933604.

The previous prime is 89800853. The next prime is 89800873. The reversal of 89800866 is 66800898.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 831436 + ... + 831543.

It is an arithmetic number, because the mean of its divisors is an integer number (12472350).

Almost surely, 2^89800866 is an apocalyptic number.

89800866 is an abundant number, since it is smaller than the sum of its proper divisors (109756734).

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

89800866 is a wasteful number, since it uses less digits than its factorization.

89800866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662990 (or 1662984 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 89800866 is about 9476.3318852814. The cubic root of 89800866 is about 447.8097120491.

The spelling of 89800866 in words is "eighty-nine million, eight hundred thousand, eight hundred sixty-six".