89661110 has 32 divisors (see below), whose sum is σ = 201215232. Its totient is φ = 27946080.

The previous prime is 89661109. The next prime is 89661113. The reversal of 89661110 is 1116698.

It is a super-2 number, since 2×89661110² = 16078229292864200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89661113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57452 + ... + 58991.

It is an arithmetic number, because the mean of its divisors is an integer number (6287976).

Almost surely, 2^89661110 is an apocalyptic number.

89661110 is an abundant number, since it is smaller than the sum of its proper divisors (111554122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89661110 is a wasteful number, since it uses less digits than its factorization.

89661110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116468.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 89661110 is about 9468.9550637861. The cubic root of 89661110 is about 447.5772844891.

The spelling of 89661110 in words is "eighty-nine million, six hundred sixty-one thousand, one hundred ten".