89131853 has 4 divisors (see below), whose sum is σ = 91540860. Its totient is φ = 86722848.

The previous prime is 89131843. The next prime is 89131859. The reversal of 89131853 is 35813198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35813198 = 2 ⋅17906599.

It can be written as a sum of positive squares in 2 ways, for example, as 37478884 + 51652969 = 6122^2 + 7187^2 .

It is a cyclic number.

It is not a de Polignac number, because 89131853 - 2⁴ = 89131837 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 (89131859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204448 + ... + 1204521.

It is an arithmetic number, because the mean of its divisors is an integer number (22885215).

Almost surely, 2^89131853 is an apocalyptic number.

It is an amenable number.

89131853 is a deficient number, since it is larger than the sum of its proper divisors (2409007).

89131853 is a wasteful number, since it uses less digits than its factorization.

89131853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409006.

The product of its digits is 25920, while the sum is 38.

The square root of 89131853 is about 9440.9667407528. The cubic root of 89131853 is about 446.6948839257.

The spelling of 89131853 in words is "eighty-nine million, one hundred thirty-one thousand, eight hundred fifty-three".