109881899 has 8 divisors (see below), whose sum is σ = 116315760. Its totient is φ = 103624416.

The previous prime is 109881881. The next prime is 109881901. The reversal of 109881899 is 998188901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109881899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109881899.

It is not an unprimeable number, because it can be changed into a prime (109881869) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42812 + ... + 45305.

It is an arithmetic number, because the mean of its divisors is an integer number (14539470).

Almost surely, 2^109881899 is an apocalyptic number.

109881899 is a deficient number, since it is larger than the sum of its proper divisors (6433861).

109881899 is an equidigital number, since it uses as much as digits as its factorization.

109881899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88189.

The product of its (nonzero) digits is 373248, while the sum is 53.

The square root of 109881899 is about 10482.4567254055. The cubic root of 109881899 is about 478.9704480964.

The spelling of 109881899 in words is "one hundred nine million, eight hundred eighty-one thousand, eight hundred ninety-nine".