99825808 has 10 divisors (see below), whose sum is σ = 193412534. Its totient is φ = 49912896.

The previous prime is 99825749. The next prime is 99825809. The reversal of 99825808 is 80852899.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63489024 + 36336784 = 7968^2 + 6028^2 .

It is not an unprimeable number, because it can be changed into a prime (99825809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3119541 + ... + 3119572.

Almost surely, 2^99825808 is an apocalyptic number.

It is an amenable number.

99825808 is a deficient number, since it is larger than the sum of its proper divisors (93586726).

99825808 is a wasteful number, since it uses less digits than its factorization.

99825808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239121 (or 6239115 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 49.

The square root of 99825808 is about 9991.2866038364. The cubic root of 99825808 is about 463.8892175078.

The spelling of 99825808 in words is "ninety-nine million, eight hundred twenty-five thousand, eight hundred eight".