90889080 has 32 divisors (see below), whose sum is σ = 272667600. Its totient is φ = 24237056.

The previous prime is 90889079. The next prime is 90889081. The reversal of 90889080 is 8098809.

It is an interprime number because it is at equal distance from previous prime (90889079) and next prime (90889081).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90889081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378585 + ... + 378824.

Almost surely, 2^90889080 is an apocalyptic number.

It is an amenable number.

90889080 is an abundant number, since it is smaller than the sum of its proper divisors (181778520).

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

90889080 is a wasteful number, since it uses less digits than its factorization.

90889080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757423 (or 757419 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 90889080 is about 9533.5764537764. The cubic root of 90889080 is about 449.6113186995.

The spelling of 90889080 in words is "ninety million, eight hundred eighty-nine thousand, eighty".