79359439685 has 8 divisors (see below), whose sum is σ = 100243502880. Its totient is φ = 60146101584.

The previous prime is 79359439669. The next prime is 79359439777. The reversal of 79359439685 is 58693495397.

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 79359439685 - 2⁴ = 79359439669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417681167 + ... + 417681356.

It is an arithmetic number, because the mean of its divisors is an integer number (12530437860).

Almost surely, 2^79359439685 is an apocalyptic number.

It is an amenable number.

79359439685 is a deficient number, since it is larger than the sum of its proper divisors (20884063195).

79359439685 is a wasteful number, since it uses less digits than its factorization.

79359439685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835362547.

The product of its digits is 220449600, while the sum is 68.

The spelling of 79359439685 in words is "seventy-nine billion, three hundred fifty-nine million, four hundred thirty-nine thousand, six hundred eighty-five".