99800902 has 4 divisors (see below), whose sum is σ = 149701356. Its totient is φ = 49900450.

The previous prime is 99800891. The next prime is 99800957. The reversal of 99800902 is 20900899.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24950224 + ... + 24950227.

It is an arithmetic number, because the mean of its divisors is an integer number (37425339).

Almost surely, 2^99800902 is an apocalyptic number.

99800902 is a deficient number, since it is larger than the sum of its proper divisors (49900454).

99800902 is a wasteful number, since it uses less digits than its factorization.

99800902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49900453.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 99800902 is about 9990.0401400595. The cubic root of 99800902 is about 463.8506350140.

The spelling of 99800902 in words is "ninety-nine million, eight hundred thousand, nine hundred two".