89151520 has 24 divisors (see below), whose sum is σ = 210620844. Its totient is φ = 35660544.

The previous prime is 89151499. The next prime is 89151521. The reversal of 89151520 is 2515198.

It can be written as a sum of positive squares in 2 ways, for example, as 73753744 + 15397776 = 8588^2 + 3924^2 .

It is not an unprimeable number, because it can be changed into a prime (89151521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278439 + ... + 278758.

Almost surely, 2^89151520 is an apocalyptic number.

89151520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89151520 is an abundant number, since it is smaller than the sum of its proper divisors (121469324).

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

89151520 is a wasteful number, since it uses less digits than its factorization.

89151520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557212 (or 557204 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 89151520 is about 9442.0082609580. The cubic root of 89151520 is about 446.7277360128.

The spelling of 89151520 in words is "eighty-nine million, one hundred fifty-one thousand, five hundred twenty".