99881914 has 16 divisors (see below), whose sum is σ = 164225376. Its totient is φ = 45183600.

The previous prime is 99881911. The next prime is 99881927. The reversal of 99881914 is 41918899.

It is not an unprimeable number, because it can be changed into a prime (99881911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6117 + ... + 15400.

It is an arithmetic number, because the mean of its divisors is an integer number (10264086).

Almost surely, 2^99881914 is an apocalyptic number.

99881914 is a deficient number, since it is larger than the sum of its proper divisors (64343462).

99881914 is a wasteful number, since it uses less digits than its factorization.

99881914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21741.

The product of its digits is 186624, while the sum is 49.

The square root of 99881914 is about 9994.0939559322. The cubic root of 99881914 is about 463.9761091791.

The spelling of 99881914 in words is "ninety-nine million, eight hundred eighty-one thousand, nine hundred fourteen".