113880728 has 32 divisors (see below), whose sum is σ = 239954400. Its totient is φ = 50274048.

The previous prime is 113880721. The next prime is 113880743. The reversal of 113880728 is 827088311.

It is a junction number, because it is equal to n+sod(n) for n = 113880691 and 113880700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113880721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21413 + ... + 26196.

It is an arithmetic number, because the mean of its divisors is an integer number (7498575).

Almost surely, 2^113880728 is an apocalyptic number.

It is an amenable number.

113880728 is an abundant number, since it is smaller than the sum of its proper divisors (126073672).

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

113880728 is a wasteful number, since it uses less digits than its factorization.

113880728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47651 (or 47647 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 113880728 is about 10671.4913671895. The cubic root of 113880728 is about 484.7115981201.

The spelling of 113880728 in words is "one hundred thirteen million, eight hundred eighty thousand, seven hundred twenty-eight".