108778868 has 48 divisors (see below), whose sum is σ = 221405184. Its totient is φ = 46268640.

The previous prime is 108778861. The next prime is 108778871. The reversal of 108778868 is 868877801.

It is a happy number.

It is a super-2 number, since 2×108778868² = 23665684246722848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108778861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46421 + ... + 48707.

It is an arithmetic number, because the mean of its divisors is an integer number (4612608).

Almost surely, 2^108778868 is an apocalyptic number.

It is an amenable number.

108778868 is an abundant number, since it is smaller than the sum of its proper divisors (112626316).

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

108778868 is a wasteful number, since it uses less digits than its factorization.

108778868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372 (or 2370 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 53.

The square root of 108778868 is about 10429.7108301237. The cubic root of 108778868 is about 477.3623670652.

The spelling of 108778868 in words is "one hundred eight million, seven hundred seventy-eight thousand, eight hundred sixty-eight".