115784660 has 12 divisors (see below), whose sum is σ = 243147828. Its totient is φ = 46313856.

The previous prime is 115784657. The next prime is 115784677. The reversal of 115784660 is 66487511.

It can be written as a sum of positive squares in 2 ways, for example, as 16662724 + 99121936 = 4082^2 + 9956^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2894597 + ... + 2894636.

It is an arithmetic number, because the mean of its divisors is an integer number (20262319).

Almost surely, 2^115784660 is an apocalyptic number.

115784660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115784660 is an abundant number, since it is smaller than the sum of its proper divisors (127363168).

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

115784660 is a wasteful number, since it uses less digits than its factorization.

115784660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789242 (or 5789240 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 115784660 is about 10760.3280619134. The cubic root of 115784660 is about 487.3979238396.

The spelling of 115784660 in words is "one hundred fifteen million, seven hundred eighty-four thousand, six hundred sixty".