89986655 has 8 divisors (see below), whose sum is σ = 117800784. Its totient is φ = 65444800.

The previous prime is 89986643. The next prime is 89986693. The reversal of 89986655 is 55668998.

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

It is not a de Polignac number, because 89986655 - 2⁴ = 89986639 is a prime.

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 89986655.

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, 818006 + ... + 818115.

It is an arithmetic number, because the mean of its divisors is an integer number (14725098).

Almost surely, 2^89986655 is an apocalyptic number.

89986655 is a deficient number, since it is larger than the sum of its proper divisors (27814129).

89986655 is a wasteful number, since it uses less digits than its factorization.

89986655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636137.

The product of its digits is 4665600, while the sum is 56.

The square root of 89986655 is about 9486.1296111744. The cubic root of 89986655 is about 448.1183238029.

The spelling of 89986655 in words is "eighty-nine million, nine hundred eighty-six thousand, six hundred fifty-five".