115717378 has 16 divisors (see below), whose sum is σ = 198589824. Its totient is φ = 49538880.

The previous prime is 115717373. The next prime is 115717379. The reversal of 115717378 is 873717511.

It is a self number, because there is not a number n which added to its sum of digits gives 115717378.

It is not an unprimeable number, because it can be changed into a prime (115717373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10426 + ... + 18442.

It is an arithmetic number, because the mean of its divisors is an integer number (12411864).

Almost surely, 2^115717378 is an apocalyptic number.

115717378 is a deficient number, since it is larger than the sum of its proper divisors (82872446).

115717378 is a wasteful number, since it uses less digits than its factorization.

115717378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9057.

The product of its digits is 41160, while the sum is 40.

The square root of 115717378 is about 10757.2012159297. The cubic root of 115717378 is about 487.3034972228.

The spelling of 115717378 in words is "one hundred fifteen million, seven hundred seventeen thousand, three hundred seventy-eight".