108889980 has 48 divisors (see below), whose sum is σ = 314732544. Its totient is φ = 28100160.

The previous prime is 108889961. The next prime is 108889993. The reversal of 108889980 is 89988801.

108889980 = T₂₅₅ + T₂₅₆ + ... + T₈₇₄.

It is a super-3 number, since 3×108889980³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 27412 + ... + 31131.

It is an arithmetic number, because the mean of its divisors is an integer number (6556928).

Almost surely, 2^108889980 is an apocalyptic number.

108889980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108889980 is an abundant number, since it is smaller than the sum of its proper divisors (205842564).

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

108889980 is a wasteful number, since it uses less digits than its factorization.

108889980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58586 (or 58584 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 51.

The square root of 108889980 is about 10435.0361762670. The cubic root of 108889980 is about 477.5248454311.

The spelling of 108889980 in words is "one hundred eight million, eight hundred eighty-nine thousand, nine hundred eighty".