99009910 has 16 divisors (see below), whose sum is σ = 180475200. Its totient is φ = 39102336.

The previous prime is 99009881. The next prime is 99009923. The reversal of 99009910 is 1990099.

It is a self number, because there is not a number n which added to its sum of digits gives 99009910.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61875 + ... + 63454.

It is an arithmetic number, because the mean of its divisors is an integer number (11279700).

Almost surely, 2^99009910 is an apocalyptic number.

99009910 is a deficient number, since it is larger than the sum of its proper divisors (81465290).

99009910 is a wasteful number, since it uses less digits than its factorization.

99009910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125415.

The product of its (nonzero) digits is 6561, while the sum is 37.

The square root of 99009910 is about 9950.3723548418. The cubic root of 99009910 is about 462.6219361959.

The spelling of 99009910 in words is "ninety-nine million, nine thousand, nine hundred ten".