115822747 has 4 divisors (see below), whose sum is σ = 116533480. Its totient is φ = 115112016.

The previous prime is 115822741. The next prime is 115822757. The reversal of 115822747 is 747228511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747228511 = 73 ⋅10236007.

It is a cyclic number.

It is not a de Polignac number, because 115822747 - 2³ = 115822739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115822741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355122 + ... + 355447.

It is an arithmetic number, because the mean of its divisors is an integer number (29133370).

Almost surely, 2^115822747 is an apocalyptic number.

115822747 is the 6214-th hex number.

115822747 is a deficient number, since it is larger than the sum of its proper divisors (710733).

115822747 is an equidigital number, since it uses as much as digits as its factorization.

115822747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710732.

The product of its digits is 31360, while the sum is 37.

The square root of 115822747 is about 10762.0977044441. The cubic root of 115822747 is about 487.4513606524.

The spelling of 115822747 in words is "one hundred fifteen million, eight hundred twenty-two thousand, seven hundred forty-seven".