109899868 has 12 divisors (see below), whose sum is σ = 207119080. Its totient is φ = 50722992.

The previous prime is 109899859. The next prime is 109899871. The reversal of 109899868 is 868998901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056678 + ... + 1056781.

Almost surely, 2^109899868 is an apocalyptic number.

It is an amenable number.

109899868 is a deficient number, since it is larger than the sum of its proper divisors (97219212).

109899868 is a wasteful number, since it uses less digits than its factorization.

109899868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113476 (or 2113474 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 58.

The square root of 109899868 is about 10483.3137890650. The cubic root of 109899868 is about 478.9965553715.

The spelling of 109899868 in words is "one hundred nine million, eight hundred ninety-nine thousand, eight hundred sixty-eight".