89208877 has 4 divisors (see below), whose sum is σ = 94456476. Its totient is φ = 83961280.

The previous prime is 89208869. The next prime is 89208913. The reversal of 89208877 is 77880298.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82828201 + 6380676 = 9101^2 + 2526^2 .

It is a cyclic number.

It is not a de Polignac number, because 89208877 - 2³ = 89208869 is a prime.

It is a super-2 number, since 2×89208877² = 15916447471202258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89208877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89208817) 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, 2623774 + ... + 2623807.

It is an arithmetic number, because the mean of its divisors is an integer number (23614119).

Almost surely, 2^89208877 is an apocalyptic number.

It is an amenable number.

89208877 is a deficient number, since it is larger than the sum of its proper divisors (5247599).

89208877 is a wasteful number, since it uses less digits than its factorization.

89208877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247598.

The product of its (nonzero) digits is 451584, while the sum is 49.

The square root of 89208877 is about 9445.0451031215. The cubic root of 89208877 is about 446.8235185254.

The spelling of 89208877 in words is "eighty-nine million, two hundred eight thousand, eight hundred seventy-seven".