115717388 has 6 divisors (see below), whose sum is σ = 202505436. Its totient is φ = 57858692.

The previous prime is 115717387. The next prime is 115717471. The reversal of 115717388 is 883717511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (115717387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14464670 + ... + 14464677.

It is an arithmetic number, because the mean of its divisors is an integer number (33750906).

Almost surely, 2^115717388 is an apocalyptic number.

It is an amenable number.

115717388 is a deficient number, since it is larger than the sum of its proper divisors (86788048).

115717388 is a wasteful number, since it uses less digits than its factorization.

115717388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28929351 (or 28929349 counting only the distinct ones).

The product of its digits is 47040, while the sum is 41.

The square root of 115717388 is about 10757.2016807346. The cubic root of 115717388 is about 487.3035112600.

The spelling of 115717388 in words is "one hundred fifteen million, seven hundred seventeen thousand, three hundred eighty-eight".