89157708 has 36 divisors (see below), whose sum is σ = 227911320. Its totient is φ = 29384256.

The previous prime is 89157703. The next prime is 89157721. The reversal of 89157708 is 80775198.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (89157703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10710 + ... + 17117.

It is an arithmetic number, because the mean of its divisors is an integer number (6330870).

Almost surely, 2^89157708 is an apocalyptic number.

It is an amenable number.

89157708 is an abundant number, since it is smaller than the sum of its proper divisors (138753612).

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

89157708 is a wasteful number, since it uses less digits than its factorization.

89157708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27926 (or 27921 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 89157708 is about 9442.3359397979. The cubic root of 89157708 is about 446.7380715527.

The spelling of 89157708 in words is "eighty-nine million, one hundred fifty-seven thousand, seven hundred eight".