89668784 has 20 divisors (see below), whose sum is σ = 173895120. Its totient is φ = 44792640.

The previous prime is 89668781. The next prime is 89668793. The reversal of 89668784 is 48786698.

It is not an unprimeable number, because it can be changed into a prime (89668781) 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, 22322 + ... + 26030.

It is an arithmetic number, because the mean of its divisors is an integer number (8694756).

Almost surely, 2^89668784 is an apocalyptic number.

It is an amenable number.

89668784 is a deficient number, since it is larger than the sum of its proper divisors (84226336).

89668784 is a wasteful number, since it uses less digits than its factorization.

89668784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228 (or 5222 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 56.

The square root of 89668784 is about 9469.3602740629. The cubic root of 89668784 is about 447.5900533477.

The spelling of 89668784 in words is "eighty-nine million, six hundred sixty-eight thousand, seven hundred eighty-four".