89709313 has 4 divisors (see below), whose sum is σ = 89733808. Its totient is φ = 89684820.

The previous prime is 89709287. The next prime is 89709341. The reversal of 89709313 is 31390798.

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: 31390798 = 2 ⋅15695399.

It is a cyclic number.

It is not a de Polignac number, because 89709313 - 2¹³ = 89701121 is a prime.

It is the 9472-nd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89709413) by changing a digit.

It is a nontrivial repunit in base 9471.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5523 + ... + 14488.

It is an arithmetic number, because the mean of its divisors is an integer number (22433452).

Almost surely, 2^89709313 is an apocalyptic number.

It is an amenable number.

89709313 is a deficient number, since it is larger than the sum of its proper divisors (24495).

89709313 is a wasteful number, since it uses less digits than its factorization.

89709313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24494.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 89709313 is about 9471.5000395925. The cubic root of 89709313 is about 447.6574779448.

The spelling of 89709313 in words is "eighty-nine million, seven hundred nine thousand, three hundred thirteen".