89169880 has 16 divisors (see below), whose sum is σ = 200632320. Its totient is φ = 35667936.

The previous prime is 89169853. The next prime is 89169893. The reversal of 89169880 is 8896198.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114584 + ... + 1114663.

It is an arithmetic number, because the mean of its divisors is an integer number (12539520).

Almost surely, 2^89169880 is an apocalyptic number.

It is an amenable number.

89169880 is an abundant number, since it is smaller than the sum of its proper divisors (111462440).

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

89169880 is a wasteful number, since it uses less digits than its factorization.

89169880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229258 (or 2229254 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 89169880 is about 9442.9804616975. The cubic root of 89169880 is about 446.7584005050.

The spelling of 89169880 in words is "eighty-nine million, one hundred sixty-nine thousand, eight hundred eighty".