89579513 has 4 divisors (see below), whose sum is σ = 89762448. Its totient is φ = 89396580.

The previous prime is 89579489. The next prime is 89579527. The reversal of 89579513 is 31597598.

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: 31597598 = 2 ⋅15798799.

It is a cyclic number.

It is not a de Polignac number, because 89579513 - 2²⁶ = 22470649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89579563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90731 + ... + 91712.

It is an arithmetic number, because the mean of its divisors is an integer number (22440612).

Almost surely, 2^89579513 is an apocalyptic number.

It is an amenable number.

89579513 is a deficient number, since it is larger than the sum of its proper divisors (182935).

89579513 is a wasteful number, since it uses less digits than its factorization.

89579513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182934.

The product of its digits is 340200, while the sum is 47.

The square root of 89579513 is about 9464.6454238920. The cubic root of 89579513 is about 447.4414692026.

It can be divided in two parts, 895 and 79513, that added together give a palindrome (80408).

The spelling of 89579513 in words is "eighty-nine million, five hundred seventy-nine thousand, five hundred thirteen".