108777988 has 12 divisors (see below), whose sum is σ = 207667152. Its totient is φ = 49444520.

The previous prime is 108777979. The next prime is 108777997. The reversal of 108777988 is 889777801.

It is an interprime number because it is at equal distance from previous prime (108777979) and next prime (108777997).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1236070 + ... + 1236157.

It is an arithmetic number, because the mean of its divisors is an integer number (17305596).

Almost surely, 2^108777988 is an apocalyptic number.

It is an amenable number.

108777988 is a deficient number, since it is larger than the sum of its proper divisors (98889164).

108777988 is a wasteful number, since it uses less digits than its factorization.

108777988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472242 (or 2472240 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 55.

The square root of 108777988 is about 10429.6686428668. The cubic root of 108777988 is about 477.3610798054.

The spelling of 108777988 in words is "one hundred eight million, seven hundred seventy-seven thousand, nine hundred eighty-eight".