115972347 has 8 divisors (see below), whose sum is σ = 157250880. Its totient is φ = 76004360.

The previous prime is 115972343. The next prime is 115972357. The reversal of 115972347 is 743279511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115972347 - 2² = 115972343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115972343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 327429 + ... + 327782.

It is an arithmetic number, because the mean of its divisors is an integer number (19656360).

Almost surely, 2^115972347 is an apocalyptic number.

115972347 is a deficient number, since it is larger than the sum of its proper divisors (41278533).

115972347 is an equidigital number, since it uses as much as digits as its factorization.

115972347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655273.

The product of its digits is 52920, while the sum is 39.

The square root of 115972347 is about 10769.0457794551. The cubic root of 115972347 is about 487.6611391044.

The spelling of 115972347 in words is "one hundred fifteen million, nine hundred seventy-two thousand, three hundred forty-seven".