89122579 has 8 divisors (see below), whose sum is σ = 109689440. Its totient is φ = 70514496.

The previous prime is 89122573. The next prime is 89122591. The reversal of 89122579 is 97522198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89122579 - 2¹³ = 89114387 is a prime.

It is a super-2 number, since 2×89122579² = 15885668175222482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89122573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489594 + ... + 489775.

It is an arithmetic number, because the mean of its divisors is an integer number (13711180).

Almost surely, 2^89122579 is an apocalyptic number.

89122579 is a deficient number, since it is larger than the sum of its proper divisors (20566861).

89122579 is a wasteful number, since it uses less digits than its factorization.

89122579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979389.

The product of its digits is 90720, while the sum is 43.

The square root of 89122579 is about 9440.4755706479. The cubic root of 89122579 is about 446.6793908036.

The spelling of 89122579 in words is "eighty-nine million, one hundred twenty-two thousand, five hundred seventy-nine".