89191373 has 4 divisors (see below), whose sum is σ = 89233248. Its totient is φ = 89149500.

The previous prime is 89191369. The next prime is 89191381. The reversal of 89191373 is 37319198.

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.

It is a cyclic number.

It is not a de Polignac number, because 89191373 - 2² = 89191369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89191373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89191313) 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, 17561 + ... + 22062.

It is an arithmetic number, because the mean of its divisors is an integer number (22308312).

Almost surely, 2^89191373 is an apocalyptic number.

It is an amenable number.

89191373 is a deficient number, since it is larger than the sum of its proper divisors (41875).

89191373 is a wasteful number, since it uses less digits than its factorization.

89191373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41874.

The product of its digits is 40824, while the sum is 41.

The square root of 89191373 is about 9444.1184342426. The cubic root of 89191373 is about 446.7942923215.

The spelling of 89191373 in words is "eighty-nine million, one hundred ninety-one thousand, three hundred seventy-three".