108640870 has 32 divisors (see below), whose sum is σ = 211411872. Its totient is φ = 39958272.

The previous prime is 108640867. The next prime is 108640907. The reversal of 108640870 is 78046801.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35314 + ... + 38266.

It is an arithmetic number, because the mean of its divisors is an integer number (6606621).

Almost surely, 2^108640870 is an apocalyptic number.

108640870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108640870 is a deficient number, since it is larger than the sum of its proper divisors (102771002).

108640870 is a wasteful number, since it uses less digits than its factorization.

108640870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 108640870 is about 10423.0931109724. The cubic root of 108640870 is about 477.1604193604.

The spelling of 108640870 in words is "one hundred eight million, six hundred forty thousand, eight hundred seventy".