99888910 has 16 divisors (see below), whose sum is σ = 196145712. Its totient is φ = 36323200.

The previous prime is 99888881. The next prime is 99888911. The reversal of 99888910 is 1988899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99888911) 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, 453931 + ... + 454150.

It is an arithmetic number, because the mean of its divisors is an integer number (12259107).

Almost surely, 2^99888910 is an apocalyptic number.

99888910 is a deficient number, since it is larger than the sum of its proper divisors (96256802).

99888910 is a wasteful number, since it uses less digits than its factorization.

99888910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908099.

The product of its (nonzero) digits is 373248, while the sum is 52.

The square root of 99888910 is about 9994.4439565190. The cubic root of 99888910 is about 463.9869416410.

It can be divided in two parts, 998889 and 10, that added together give a palindrome (998899).

The spelling of 99888910 in words is "ninety-nine million, eight hundred eighty-eight thousand, nine hundred ten".