89770668 has 96 divisors (see below), whose sum is σ = 245360640. Its totient is φ = 25297920.

The previous prime is 89770663. The next prime is 89770739. The reversal of 89770668 is 86607798.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 89770668.

It is not an unprimeable number, because it can be changed into a prime (89770663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91396 + ... + 92372.

It is an arithmetic number, because the mean of its divisors is an integer number (2555840).

Almost surely, 2^89770668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89770668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122680320).

89770668 is an abundant number, since it is smaller than the sum of its proper divisors (155589972).

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

89770668 is a wasteful number, since it uses less digits than its factorization.

89770668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 89770668 is about 9474.7384132756. The cubic root of 89770668 is about 447.7595103291.

The spelling of 89770668 in words is "eighty-nine million, seven hundred seventy thousand, six hundred sixty-eight".