113447880 has 192 divisors, whose sum is σ = 453922560. Its totient is φ = 23929344.

The previous prime is 113447863. The next prime is 113447881. The reversal of 113447880 is 88744311.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113447881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31029 + ... + 34491.

It is an arithmetic number, because the mean of its divisors is an integer number (2364180).

Almost surely, 2^113447880 is an apocalyptic number.

113447880 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 113447880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226961280).

113447880 is an abundant number, since it is smaller than the sum of its proper divisors (340474680).

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

113447880 is a wasteful number, since it uses less digits than its factorization.

113447880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 113447880 is about 10651.1914826464. The cubic root of 113447880 is about 484.0967067648.

The spelling of 113447880 in words is "one hundred thirteen million, four hundred forty-seven thousand, eight hundred eighty".