7115899 has 8 divisors (see below), whose sum is σ = 8560640. Its totient is φ = 5778216.

The previous prime is 7115893. The next prime is 7115903. The reversal of 7115899 is 9985117.

It is a happy number.

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 7115899 - 2³ = 7115891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7115891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26619 + ... + 26884.

It is an arithmetic number, because the mean of its divisors is an integer number (1070080).

Almost surely, 2^7115899 is an apocalyptic number.

7115899 is a deficient number, since it is larger than the sum of its proper divisors (1444741).

7115899 is a wasteful number, since it uses less digits than its factorization.

7115899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53529.

The product of its digits is 22680, while the sum is 40.

The square root of 7115899 is about 2667.5642447746. The cubic root of 7115899 is about 192.3430913420.

The spelling of 7115899 in words is "seven million, one hundred fifteen thousand, eight hundred ninety-nine".