79059617539 has 8 divisors (see below), whose sum is σ = 90858620160. Its totient is φ = 67386807816.

The previous prime is 79059617537. The next prime is 79059617569. The reversal of 79059617539 is 93571695097.

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 79059617539 - 2¹ = 79059617537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79059617537) 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, 31546879 + ... + 31549384.

It is an arithmetic number, because the mean of its divisors is an integer number (11357327520).

Almost surely, 2^79059617539 is an apocalyptic number.

79059617539 is a deficient number, since it is larger than the sum of its proper divisors (11799002621).

79059617539 is a wasteful number, since it uses less digits than its factorization.

79059617539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63096449.

The product of its (nonzero) digits is 16074450, while the sum is 61.

The spelling of 79059617539 in words is "seventy-nine billion, fifty-nine million, six hundred seventeen thousand, five hundred thirty-nine".