115655747 has 4 divisors (see below), whose sum is σ = 118781616. Its totient is φ = 112529880.

The previous prime is 115655731. The next prime is 115655759. The reversal of 115655747 is 747556511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115655747 - 2⁴ = 115655731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115655797) 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, 1562879 + ... + 1562952.

It is an arithmetic number, because the mean of its divisors is an integer number (29695404).

Almost surely, 2^115655747 is an apocalyptic number.

115655747 is a deficient number, since it is larger than the sum of its proper divisors (3125869).

115655747 is an equidigital number, since it uses as much as digits as its factorization.

115655747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125868.

The product of its digits is 147000, while the sum is 41.

The square root of 115655747 is about 10754.3361952284. The cubic root of 115655747 is about 487.2169693512.

The spelling of 115655747 in words is "one hundred fifteen million, six hundred fifty-five thousand, seven hundred forty-seven".