89120816 has 20 divisors (see below), whose sum is σ = 172905600. Its totient is φ = 44500032.

The previous prime is 89120807. The next prime is 89120819. The reversal of 89120816 is 61802198.

It is not an unprimeable number, because it can be changed into a prime (89120819) 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, 9905 + ... + 16623.

It is an arithmetic number, because the mean of its divisors is an integer number (8645280).

Almost surely, 2^89120816 is an apocalyptic number.

It is an amenable number.

89120816 is a deficient number, since it is larger than the sum of its proper divisors (83784784).

89120816 is a wasteful number, since it uses less digits than its factorization.

89120816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556 (or 7550 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 89120816 is about 9440.3821956529. The cubic root of 89120816 is about 446.6764454184.

The spelling of 89120816 in words is "eighty-nine million, one hundred twenty thousand, eight hundred sixteen".