108778870 has 16 divisors (see below), whose sum is σ = 196173648. Its totient is φ = 43428960.

The previous prime is 108778861. The next prime is 108778871. The reversal of 108778870 is 78877801.

It is a self number, because there is not a number n which added to its sum of digits gives 108778870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108778871) 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, 4644 + ... + 15463.

It is an arithmetic number, because the mean of its divisors is an integer number (12260853).

Almost surely, 2^108778870 is an apocalyptic number.

108778870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108778870 is a deficient number, since it is larger than the sum of its proper divisors (87394778).

108778870 is a wasteful number, since it uses less digits than its factorization.

108778870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20655.

The product of its (nonzero) digits is 175616, while the sum is 46.

The square root of 108778870 is about 10429.7109260037. The cubic root of 108778870 is about 477.3623699908.

The spelling of 108778870 in words is "one hundred eight million, seven hundred seventy-eight thousand, eight hundred seventy".