89937585 has 24 divisors (see below), whose sum is σ = 156557544. Its totient is φ = 47761920.

The previous prime is 89937577. The next prime is 89937593. The reversal of 89937585 is 58573998.

It is an interprime number because it is at equal distance from previous prime (89937577) and next prime (89937593).

It can be written as a sum of positive squares in 4 ways, for example, as 8071281 + 81866304 = 2841^2 + 9048^2 .

It is not a de Polignac number, because 89937585 - 2³ = 89937577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6699 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (6523231).

Almost surely, 2^89937585 is an apocalyptic number.

It is an amenable number.

89937585 is a deficient number, since it is larger than the sum of its proper divisors (66619959).

89937585 is a wasteful number, since it uses less digits than its factorization.

89937585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8545 (or 8542 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The square root of 89937585 is about 9483.5428506440. The cubic root of 89937585 is about 448.0368555590.

The spelling of 89937585 in words is "eighty-nine million, nine hundred thirty-seven thousand, five hundred eighty-five".