99988056 has 96 divisors (see below), whose sum is σ = 320205600. Its totient is φ = 27578880.

The previous prime is 99988037. The next prime is 99988069. The reversal of 99988056 is 65088999.

It is a super-2 number, since 2×99988056² = 19995222685318272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99987993 and 99988011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11196 + ... + 18036.

It is an arithmetic number, because the mean of its divisors is an integer number (3335475).

Almost surely, 2^99988056 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 99988056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160102800).

99988056 is an abundant number, since it is smaller than the sum of its proper divisors (220217544).

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

99988056 is a wasteful number, since it uses less digits than its factorization.

99988056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889 (or 6882 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The square root of 99988056 is about 9999.4027821665. The cubic root of 99988056 is about 464.1404029131.

The spelling of 99988056 in words is "ninety-nine million, nine hundred eighty-eight thousand, fifty-six".