89906788 has 12 divisors (see below), whose sum is σ = 158280192. Its totient is φ = 44683880.

The previous prime is 89906783. The next prime is 89906827. The reversal of 89906788 is 88760998.

It is not an unprimeable number, because it can be changed into a prime (89906783) 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, 66628 + ... + 67963.

It is an arithmetic number, because the mean of its divisors is an integer number (13190016).

Almost surely, 2^89906788 is an apocalyptic number.

It is an amenable number.

89906788 is a deficient number, since it is larger than the sum of its proper divisors (68373404).

89906788 is a wasteful number, since it uses less digits than its factorization.

89906788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134762 (or 134760 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 55.

The square root of 89906788 is about 9481.9190040835. The cubic root of 89906788 is about 447.9857098439.

The spelling of 89906788 in words is "eighty-nine million, nine hundred six thousand, seven hundred eighty-eight".