99988011 has 12 divisors (see below), whose sum is σ = 144531192. Its totient is φ = 66610656.

The previous prime is 99988003. The next prime is 99988019. The reversal of 99988011 is 11088999.

It is an interprime number because it is at equal distance from previous prime (99988003) and next prime (99988019).

It is not a de Polignac number, because 99988011 - 2³ = 99988003 is a prime.

It is a super-2 number, since 2×99988011² = 19995204687472242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (99988019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12975 + ... + 19191.

It is an arithmetic number, because the mean of its divisors is an integer number (12044266).

Almost surely, 2^99988011 is an apocalyptic number.

99988011 is a deficient number, since it is larger than the sum of its proper divisors (44543181).

99988011 is a wasteful number, since it uses less digits than its factorization.

99988011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010 (or 8007 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 45.

The square root of 99988011 is about 9999.4005320319. The cubic root of 99988011 is about 464.1403332838.

The spelling of 99988011 in words is "ninety-nine million, nine hundred eighty-eight thousand, eleven".