116728812 has 36 divisors (see below), whose sum is σ = 295396920. Its totient is φ = 38865792.

The previous prime is 116728811. The next prime is 116728847. The reversal of 116728812 is 218827611.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (116728811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53764 + ... + 55892.

It is an arithmetic number, because the mean of its divisors is an integer number (8205470).

Almost surely, 2^116728812 is an apocalyptic number.

116728812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

116728812 is an abundant number, since it is smaller than the sum of its proper divisors (178668108).

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

116728812 is a wasteful number, since it uses less digits than its factorization.

116728812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662 (or 3657 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 116728812 is about 10804.1108842884. The cubic root of 116728812 is about 488.7191481977.

The spelling of 116728812 in words is "one hundred sixteen million, seven hundred twenty-eight thousand, eight hundred twelve".