113887980 has 72 divisors (see below), whose sum is σ = 349876800. Its totient is φ = 29981952.

The previous prime is 113887967. The next prime is 113887999. The reversal of 113887980 is 89788311.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10216 + ... + 18224.

It is an arithmetic number, because the mean of its divisors is an integer number (4859400).

Almost surely, 2^113887980 is an apocalyptic number.

113887980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113887980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174938400).

113887980 is an abundant number, since it is smaller than the sum of its proper divisors (235988820).

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

113887980 is a wasteful number, since it uses less digits than its factorization.

113887980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8103 (or 8098 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 113887980 is about 10671.8311455907. The cubic root of 113887980 is about 484.7218868200.

The spelling of 113887980 in words is "one hundred thirteen million, eight hundred eighty-seven thousand, nine hundred eighty".