79959134569605 has 8 divisors (see below), whose sum is σ = 127934615311392. Its totient is φ = 42644871770448.

The previous prime is 79959134569603. The next prime is 79959134569661. The reversal of 79959134569605 is 50696543195997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79959134569605 - 2¹ = 79959134569603 is a prime.

It is a super-2 number, since 2×79959134569605² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79959134569603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2665304485639 + ... + 2665304485668.

It is an arithmetic number, because the mean of its divisors is an integer number (15991826913924).

Almost surely, 2^{79959134569605} is an apocalyptic number.

It is an amenable number.

79959134569605 is a deficient number, since it is larger than the sum of its proper divisors (47975480741787).

79959134569605 is a wasteful number, since it uses less digits than its factorization.

79959134569605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330608971315.

The product of its (nonzero) digits is 2480058000, while the sum is 78.

The spelling of 79959134569605 in words is "seventy-nine trillion, nine hundred fifty-nine billion, one hundred thirty-four million, five hundred sixty-nine thousand, six hundred five".