89869868 has 48 divisors (see below), whose sum is σ = 181536768. Its totient is φ = 38544000.

The previous prime is 89869841. The next prime is 89869873. The reversal of 89869868 is 86896898.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

89869868 is a strobogrammatic number because it is the same when read upside-down.

It is a self number, because there is not a number n which added to its sum of digits gives 89869868.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55121 + ... + 56727.

It is an arithmetic number, because the mean of its divisors is an integer number (3782016).

Almost surely, 2^89869868 is an apocalyptic number.

It is an amenable number.

89869868 is an abundant number, since it is smaller than the sum of its proper divisors (91666900).

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

89869868 is a wasteful number, since it uses less digits than its factorization.

89869868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1692 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 62.

The square root of 89869868 is about 9479.9719408867. The cubic root of 89869868 is about 447.9243800405.

The spelling of 89869868 in words is "eighty-nine million, eight hundred sixty-nine thousand, eight hundred sixty-eight".