108728880 has 80 divisors (see below), whose sum is σ = 362997600. Its totient is φ = 26763264.

The previous prime is 108728869. The next prime is 108728899. The reversal of 108728880 is 88827801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 14305 + ... + 20544.

It is an arithmetic number, because the mean of its divisors is an integer number (4537470).

Almost surely, 2^108728880 is an apocalyptic number.

108728880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108728880 is an abundant number, since it is smaller than the sum of its proper divisors (254268720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108728880 is a wasteful number, since it uses less digits than its factorization.

108728880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34878 (or 34872 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 42.

The square root of 108728880 is about 10427.3141316448. The cubic root of 108728880 is about 477.2892338468.

The spelling of 108728880 in words is "one hundred eight million, seven hundred twenty-eight thousand, eight hundred eighty".