89718516 has 72 divisors (see below), whose sum is σ = 236780544. Its totient is φ = 29704320.

The previous prime is 89718509. The next prime is 89718521. The reversal of 89718516 is 61581798.

It is a super-2 number, since 2×89718516² = 16098824226484512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234061 + ... + 234443.

Almost surely, 2^89718516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89718516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118390272).

89718516 is an abundant number, since it is smaller than the sum of its proper divisors (147062028).

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

89718516 is a wasteful number, since it uses less digits than its factorization.

89718516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 629 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 89718516 is about 9471.9858530300. The cubic root of 89718516 is about 447.6727853518.

The spelling of 89718516 in words is "eighty-nine million, seven hundred eighteen thousand, five hundred sixteen".