89877655 has 8 divisors (see below), whose sum is σ = 123260832. Its totient is φ = 61630368.

The previous prime is 89877647. The next prime is 89877661. The reversal of 89877655 is 55677898.

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 89877655 - 2³ = 89877647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89877596 and 89877605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283932 + ... + 1284001.

It is an arithmetic number, because the mean of its divisors is an integer number (15407604).

Almost surely, 2^89877655 is an apocalyptic number.

89877655 is a deficient number, since it is larger than the sum of its proper divisors (33383177).

89877655 is a wasteful number, since it uses less digits than its factorization.

89877655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567945.

The product of its digits is 4233600, while the sum is 55.

The square root of 89877655 is about 9480.3826399571. The cubic root of 89877655 is about 447.9373168438.

The spelling of 89877655 in words is "eighty-nine million, eight hundred seventy-seven thousand, six hundred fifty-five".