99758880 has 216 divisors, whose sum is σ = 371704788. Its totient is φ = 24219648.

The previous prime is 99758849. The next prime is 99758903. The reversal of 99758880 is 8885799.

It can be written as a sum of positive squares in 6 ways, for example, as 30603024 + 69155856 = 5532^2 + 8316^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1366524 + ... + 1366596.

Almost surely, 2^99758880 is an apocalyptic number.

99758880 is a gapful number since it is divisible by the number (90) 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 99758880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185852394).

99758880 is an abundant number, since it is smaller than the sum of its proper divisors (271945908).

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

99758880 is a wasteful number, since it uses less digits than its factorization.

99758880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The square root of 99758880 is about 9987.9367238684. The cubic root of 99758880 is about 463.7855231517.

The spelling of 99758880 in words is "ninety-nine million, seven hundred fifty-eight thousand, eight hundred eighty".