99988662 has 32 divisors (see below), whose sum is σ = 212416992. Its totient is φ = 31268864.

The previous prime is 99988649. The next prime is 99988753. The reversal of 99988662 is 26688999.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34618 + ... + 37394.

It is an arithmetic number, because the mean of its divisors is an integer number (6638031).

Almost surely, 2^99988662 is an apocalyptic number.

99988662 is an abundant number, since it is smaller than the sum of its proper divisors (112428330).

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

99988662 is a wasteful number, since it uses less digits than its factorization.

99988662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152.

The product of its digits is 3359232, while the sum is 57.

The square root of 99988662 is about 9999.4330839303. The cubic root of 99988662 is about 464.1413405869.

The spelling of 99988662 in words is "ninety-nine million, nine hundred eighty-eight thousand, six hundred sixty-two".