99288886 has 4 divisors (see below), whose sum is σ = 148933332. Its totient is φ = 49644442.

The previous prime is 99288883. The next prime is 99288887. The reversal of 99288886 is 68888299.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 99288886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99288883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24822220 + ... + 24822223.

It is an arithmetic number, because the mean of its divisors is an integer number (37233333).

Almost surely, 2^99288886 is an apocalyptic number.

99288886 is a deficient number, since it is larger than the sum of its proper divisors (49644446).

99288886 is a wasteful number, since it uses less digits than its factorization.

99288886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49644445.

The product of its digits is 3981312, while the sum is 58.

The square root of 99288886 is about 9964.3808638570. The cubic root of 99288886 is about 463.0560321050.

The spelling of 99288886 in words is "ninety-nine million, two hundred eighty-eight thousand, eight hundred eighty-six".