89117740 has 24 divisors (see below), whose sum is σ = 198156672. Its totient is φ = 33550080.

The previous prime is 89117737. The next prime is 89117759. The reversal of 89117740 is 4771198.

It is a self number, because there is not a number n which added to its sum of digits gives 89117740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130716 + ... + 131395.

It is an arithmetic number, because the mean of its divisors is an integer number (8256528).

Almost surely, 2^89117740 is an apocalyptic number.

It is an amenable number.

89117740 is an abundant number, since it is smaller than the sum of its proper divisors (109038932).

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

89117740 is a wasteful number, since it uses less digits than its factorization.

89117740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262137 (or 262135 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 89117740 is about 9440.2192771143. The cubic root of 89117740 is about 446.6713063551.

The spelling of 89117740 in words is "eighty-nine million, one hundred seventeen thousand, seven hundred forty".