6158879539 has 4 divisors (see below), whose sum is σ = 6159038040. Its totient is φ = 6158721040.

The previous prime is 6158879509. The next prime is 6158879581. The reversal of 6158879539 is 9359788516.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6158879539 - 2¹³ = 6158871347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6158879509) 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 3 ways as a sum of consecutive naturals, for example, 23079 + ... + 113359.

It is an arithmetic number, because the mean of its divisors is an integer number (1539759510).

Almost surely, 2^6158879539 is an apocalyptic number.

6158879539 is a deficient number, since it is larger than the sum of its proper divisors (158501).

6158879539 is an equidigital number, since it uses as much as digits as its factorization.

6158879539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158500.

The product of its digits is 16329600, while the sum is 61.

The square root of 6158879539 is about 78478.5291592548. The cubic root of 6158879539 is about 1833.0201395314.

The spelling of 6158879539 in words is "six billion, one hundred fifty-eight million, eight hundred seventy-nine thousand, five hundred thirty-nine".