115685888 has 20 divisors (see below), whose sum is σ = 231146850. Its totient is φ = 57842688.

The previous prime is 115685881. The next prime is 115685891. The reversal of 115685888 is 888586511.

It can be written as a sum of positive squares in only one way, i.e., 62220544 + 53465344 = 7888^2 + 7312^2 .

It is not an unprimeable number, because it can be changed into a prime (115685881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112463 + ... + 113486.

Almost surely, 2^115685888 is an apocalyptic number.

It is an amenable number.

115685888 is a deficient number, since it is larger than the sum of its proper divisors (115460962).

115685888 is an frugal number, since it uses more digits than its factorization.

115685888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225967 (or 225951 counting only the distinct ones).

The product of its digits is 614400, while the sum is 50.

The square root of 115685888 is about 10755.7374456613. The cubic root of 115685888 is about 487.2592901511.

The spelling of 115685888 in words is "one hundred fifteen million, six hundred eighty-five thousand, eight hundred eighty-eight".