89705893 has 4 divisors (see below), whose sum is σ = 90576928. Its totient is φ = 88834860.

The previous prime is 89705879. The next prime is 89705899. The reversal of 89705893 is 39850798.

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 89705893 - 2¹³ = 89697701 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 (89705899) 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, 435363 + ... + 435568.

It is an arithmetic number, because the mean of its divisors is an integer number (22644232).

Almost surely, 2^89705893 is an apocalyptic number.

It is an amenable number.

89705893 is a deficient number, since it is larger than the sum of its proper divisors (871035).

89705893 is a wasteful number, since it uses less digits than its factorization.

89705893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871034.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 89705893 is about 9471.3194962476. The cubic root of 89705893 is about 447.6517891707.

The spelling of 89705893 in words is "eighty-nine million, seven hundred five thousand, eight hundred ninety-three".