99857802 has 32 divisors (see below), whose sum is σ = 218995200. Its totient is φ = 30103920.

The previous prime is 99857801. The next prime is 99857819. The reversal of 99857802 is 20875899.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99857801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9333 + ... + 16935.

It is an arithmetic number, because the mean of its divisors is an integer number (6843600).

Almost surely, 2^99857802 is an apocalyptic number.

99857802 is an abundant number, since it is smaller than the sum of its proper divisors (119137398).

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

99857802 is a wasteful number, since it uses less digits than its factorization.

99857802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7818.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 99857802 is about 9992.8875706674. The cubic root of 99857802 is about 463.9387707801.

The spelling of 99857802 in words is "ninety-nine million, eight hundred fifty-seven thousand, eight hundred two".