82179174760813 has 6 divisors (see below), whose sum is σ = 88986917048874. Its totient is φ = 75857699779056.

The previous prime is 82179174760759. The next prime is 82179174760847. The reversal of 82179174760813 is 31806747197128.

It can be written as a sum of positive squares in 3 ways, for example, as 561447492804 + 81617727268009 = 749298^2 + 9034253^2 .

It is not a de Polignac number, because 82179174760813 - 2⁹ = 82179174760301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82179174766813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243133652970 + ... + 243133653307.

It is an arithmetic number, because the mean of its divisors is an integer number (14831152841479).

Almost surely, 2^{82179174760813} is an apocalyptic number.

It is an amenable number.

82179174760813 is a deficient number, since it is larger than the sum of its proper divisors (6807742288061).

82179174760813 is a wasteful number, since it uses less digits than its factorization.

82179174760813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486267306303 (or 486267306290 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 64.

The spelling of 82179174760813 in words is "eighty-two trillion, one hundred seventy-nine billion, one hundred seventy-four million, seven hundred sixty thousand, eight hundred thirteen".