89536879 has 4 divisors (see below), whose sum is σ = 91619176. Its totient is φ = 87454584.

The previous prime is 89536877. The next prime is 89536901. The reversal of 89536879 is 97863598.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89536879 - 2¹ = 89536877 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 (89536877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041084 + ... + 1041169.

It is an arithmetic number, because the mean of its divisors is an integer number (22904794).

Almost surely, 2^89536879 is an apocalyptic number.

89536879 is a deficient number, since it is larger than the sum of its proper divisors (2082297).

89536879 is a wasteful number, since it uses less digits than its factorization.

89536879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082296.

The product of its digits is 3265920, while the sum is 55.

The square root of 89536879 is about 9462.3928791823. The cubic root of 89536879 is about 447.3704736289.

The spelling of 89536879 in words is "eighty-nine million, five hundred thirty-six thousand, eight hundred seventy-nine".