99829722888 has 128 divisors (see below), whose sum is σ = 321650227200. Its totient is φ = 28097036352.

The previous prime is 99829722887. The next prime is 99829722893. The reversal of 99829722888 is 88822792899.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (99829722887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391420 + ... + 594027.

It is an arithmetic number, because the mean of its divisors is an integer number (2512892400).

Almost surely, 2^99829722888 is an apocalyptic number.

It is an amenable number.

99829722888 is an abundant number, since it is smaller than the sum of its proper divisors (221820504312).

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

99829722888 is a wasteful number, since it uses less digits than its factorization.

99829722888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985536 (or 985526 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 72.

The spelling of 99829722888 in words is "ninety-nine billion, eight hundred twenty-nine million, seven hundred twenty-two thousand, eight hundred eighty-eight".