116428725 has 96 divisors (see below), whose sum is σ = 250817280. Its totient is φ = 51840000.

The previous prime is 116428723. The next prime is 116428727. The reversal of 116428725 is 527824611.

116428725 is a `hidden beast` number, since 1 + 1 + 642 + 8 + 7 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (116428723) and next prime (116428727).

It is not a de Polignac number, because 116428725 - 2¹ = 116428723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116428725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116428723) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 193425 + ... + 194025.

It is an arithmetic number, because the mean of its divisors is an integer number (2612680).

Almost surely, 2^116428725 is an apocalyptic number.

116428725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116428725 is an abundant number, since it is smaller than the sum of its proper divisors (134388555).

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

116428725 is a wasteful number, since it uses less digits than its factorization.

116428725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 657 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 116428725 is about 10790.2143166853. The cubic root of 116428725 is about 488.2999882750.

The spelling of 116428725 in words is "one hundred sixteen million, four hundred twenty-eight thousand, seven hundred twenty-five".