89413957 has 4 divisors (see below), whose sum is σ = 89432896. Its totient is φ = 89395020.

The previous prime is 89413913. The next prime is 89414027. The reversal of 89413957 is 75931498.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75931498 = 2 ⋅37965749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89413957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89413057) 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, 3988 + ... + 13954.

It is an arithmetic number, because the mean of its divisors is an integer number (22358224).

Almost surely, 2^89413957 is an apocalyptic number.

It is an amenable number.

89413957 is a deficient number, since it is larger than the sum of its proper divisors (18939).

89413957 is an equidigital number, since it uses as much as digits as its factorization.

89413957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18938.

The product of its digits is 272160, while the sum is 46.

The square root of 89413957 is about 9455.8953568660. The cubic root of 89413957 is about 447.1656535274.

The spelling of 89413957 in words is "eighty-nine million, four hundred thirteen thousand, nine hundred fifty-seven".