79895617329 has 32 divisors (see below), whose sum is σ = 122379494400. Its totient is φ = 45853853760.

The previous prime is 79895617267. The next prime is 79895617343. The reversal of 79895617329 is 92371659897.

It is not a de Polignac number, because 79895617329 - 2⁹ = 79895616817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79895617329.

It is not an unprimeable number, because it can be changed into a prime (79895617429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1543927 + ... + 1594835.

It is an arithmetic number, because the mean of its divisors is an integer number (3824359200).

Almost surely, 2^79895617329 is an apocalyptic number.

It is an amenable number.

79895617329 is a deficient number, since it is larger than the sum of its proper divisors (42483877071).

79895617329 is a wasteful number, since it uses less digits than its factorization.

79895617329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53445.

The product of its digits is 51438240, while the sum is 66.

The spelling of 79895617329 in words is "seventy-nine billion, eight hundred ninety-five million, six hundred seventeen thousand, three hundred twenty-nine".