99880088 has 32 divisors (see below), whose sum is σ = 233487360. Its totient is φ = 38914080.

The previous prime is 99880087. The next prime is 99880091. The reversal of 99880088 is 88008899.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99880087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80456 + ... + 81687.

It is an arithmetic number, because the mean of its divisors is an integer number (7296480).

Almost surely, 2^99880088 is an apocalyptic number.

It is an amenable number.

99880088 is an abundant number, since it is smaller than the sum of its proper divisors (133607272).

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

99880088 is a wasteful number, since it uses less digits than its factorization.

99880088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162167 (or 162163 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 50.

The square root of 99880088 is about 9994.0026015606. The cubic root of 99880088 is about 463.9732817552.

The spelling of 99880088 in words is "ninety-nine million, eight hundred eighty thousand, eighty-eight".