109856870 has 16 divisors (see below), whose sum is σ = 204121728. Its totient is φ = 42525120.

The previous prime is 109856867. The next prime is 109856899. The reversal of 109856870 is 78658901.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176879 + ... + 177498.

It is an arithmetic number, because the mean of its divisors is an integer number (12757608).

Almost surely, 2^109856870 is an apocalyptic number.

109856870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109856870 is a deficient number, since it is larger than the sum of its proper divisors (94264858).

109856870 is a wasteful number, since it uses less digits than its factorization.

109856870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354415.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 109856870 is about 10481.2628055974. The cubic root of 109856870 is about 478.9340785585.

The spelling of 109856870 in words is "one hundred nine million, eight hundred fifty-six thousand, eight hundred seventy".