116831728 has 30 divisors (see below), whose sum is σ = 245118984. Its totient is φ = 53921088.

The previous prime is 116831723. The next prime is 116831761. The reversal of 116831728 is 827138611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116831723) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 18900 + ... + 24307.

Almost surely, 2^116831728 is an apocalyptic number.

It is an amenable number.

116831728 is an abundant number, since it is smaller than the sum of its proper divisors (128287256).

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

116831728 is a wasteful number, since it uses less digits than its factorization.

116831728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43241 (or 43222 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 116831728 is about 10808.8726516691. The cubic root of 116831728 is about 488.8627352706.

It can be divided in two parts, 1168 and 31728, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 116831728 in words is "one hundred sixteen million, eight hundred thirty-one thousand, seven hundred twenty-eight".