89190157 has 4 divisors (see below), whose sum is σ = 101931616. Its totient is φ = 76448700.

The previous prime is 89190139. The next prime is 89190163. The reversal of 89190157 is 75109198.

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 an emirpimes, since its reverse is a distinct semiprime: 75109198 = 2 ⋅37554599.

It is a cyclic number.

It is not a de Polignac number, because 89190157 - 2¹⁵ = 89157389 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 (89190137) 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, 6370719 + ... + 6370732.

It is an arithmetic number, because the mean of its divisors is an integer number (25482904).

Almost surely, 2^89190157 is an apocalyptic number.

It is an amenable number.

89190157 is a deficient number, since it is larger than the sum of its proper divisors (12741459).

89190157 is a wasteful number, since it uses less digits than its factorization.

89190157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12741458.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 89190157 is about 9444.0540553303. The cubic root of 89190157 is about 446.7922618399.

The spelling of 89190157 in words is "eighty-nine million, one hundred ninety thousand, one hundred fifty-seven".