115807847 has 4 divisors (see below), whose sum is σ = 119543616. Its totient is φ = 112072080.

The previous prime is 115807843. The next prime is 115807877. The reversal of 115807847 is 748708511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748708511 = 12323 ⋅60757.

It is a cyclic number.

It is not a de Polignac number, because 115807847 - 2² = 115807843 is a prime.

It is a super-2 number, since 2×115807847² = 26822914853550818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115807841) 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, 1867838 + ... + 1867899.

It is an arithmetic number, because the mean of its divisors is an integer number (29885904).

Almost surely, 2^115807847 is an apocalyptic number.

115807847 is a deficient number, since it is larger than the sum of its proper divisors (3735769).

115807847 is an equidigital number, since it uses as much as digits as its factorization.

115807847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735768.

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 115807847 is about 10761.4054379528. The cubic root of 115807847 is about 487.4304570535.

The spelling of 115807847 in words is "one hundred fifteen million, eight hundred seven thousand, eight hundred forty-seven".