89564871 has 8 divisors (see below), whose sum is σ = 130276224. Its totient is φ = 54281720.

The previous prime is 89564861. The next prime is 89564873. The reversal of 89564871 is 17846598.

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

It is a cyclic number.

It is not a de Polignac number, because 89564871 - 2⁶ = 89564807 is a prime.

It is a super-2 number, since 2×89564871² = 16043732234493282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89564871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89564873) 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, 1357011 + ... + 1357076.

It is an arithmetic number, because the mean of its divisors is an integer number (16284528).

Almost surely, 2^89564871 is an apocalyptic number.

89564871 is a deficient number, since it is larger than the sum of its proper divisors (40711353).

89564871 is a wasteful number, since it uses less digits than its factorization.

89564871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714101.

The product of its digits is 483840, while the sum is 48.

The square root of 89564871 is about 9463.8718820576. The cubic root of 89564871 is about 447.4170893909.

The spelling of 89564871 in words is "eighty-nine million, five hundred sixty-four thousand, eight hundred seventy-one".