82179753679 has 8 divisors (see below), whose sum is σ = 84133530000. Its totient is φ = 80244674112.

The previous prime is 82179753671. The next prime is 82179753749. The reversal of 82179753679 is 97635797128.

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 82179753679 - 2³ = 82179753671 is a prime.

It is a super-2 number, since 2×82179753679² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82179753679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82179753671) 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, 4665294 + ... + 4682875.

It is an arithmetic number, because the mean of its divisors is an integer number (10516691250).

Almost surely, 2^82179753679 is an apocalyptic number.

82179753679 is a deficient number, since it is larger than the sum of its proper divisors (1953776321).

82179753679 is a wasteful number, since it uses less digits than its factorization.

82179753679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9348377.

The product of its digits is 40007520, while the sum is 64.

The spelling of 82179753679 in words is "eighty-two billion, one hundred seventy-nine million, seven hundred fifty-three thousand, six hundred seventy-nine".