82729108679 has 4 divisors (see below), whose sum is σ = 94547552784. Its totient is φ = 70910664576.

The previous prime is 82729108643. The next prime is 82729108691. The reversal of 82729108679 is 97680192728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82729108679 - 2²⁴ = 82712331463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82729108619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5909222042 + ... + 5909222055.

It is an arithmetic number, because the mean of its divisors is an integer number (23636888196).

Almost surely, 2^82729108679 is an apocalyptic number.

82729108679 is a deficient number, since it is larger than the sum of its proper divisors (11818444105).

82729108679 is a wasteful number, since it uses less digits than its factorization.

82729108679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11818444104.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 82729108679 in words is "eighty-two billion, seven hundred twenty-nine million, one hundred eight thousand, six hundred seventy-nine".