89887680 has 252 divisors, whose sum is σ = 328681080. Its totient is φ = 22539264.

The previous prime is 89887649. The next prime is 89887697. The reversal of 89887680 is 8678898.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1523491 + ... + 1523549.

It is an arithmetic number, because the mean of its divisors is an integer number (1304290).

Almost surely, 2^89887680 is an apocalyptic number.

89887680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89887680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164340540).

89887680 is an abundant number, since it is smaller than the sum of its proper divisors (238793400).

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

89887680 is a wasteful number, since it uses less digits than its factorization.

89887680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The square root of 89887680 is about 9480.9113485994. The cubic root of 89887680 is about 447.9539706110.

The spelling of 89887680 in words is "eighty-nine million, eight hundred eighty-seven thousand, six hundred eighty".