99825992 has 16 divisors (see below), whose sum is σ = 213912960. Its totient is φ = 42782544.

The previous prime is 99825991. The next prime is 99825997. The reversal of 99825992 is 29952899.

It is not an unprimeable number, because it can be changed into a prime (99825991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891248 + ... + 891359.

It is an arithmetic number, because the mean of its divisors is an integer number (13369560).

Almost surely, 2^99825992 is an apocalyptic number.

It is an amenable number.

99825992 is an abundant number, since it is smaller than the sum of its proper divisors (114086968).

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

99825992 is a wasteful number, since it uses less digits than its factorization.

99825992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782620 (or 1782616 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 53.

The square root of 99825992 is about 9991.2958118554. The cubic root of 99825992 is about 463.8895025228.

The spelling of 99825992 in words is "ninety-nine million, eight hundred twenty-five thousand, nine hundred ninety-two".