82749179 has 2 divisors, whose sum is σ = 82749180. Its totient is φ = 82749178.

The previous prime is 82749169. The next prime is 82749181. The reversal of 82749179 is 97194728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82749179 - 2²⁰ = 81700603 is a prime.

Together with 82749181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82749119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41374589 + 41374590.

It is an arithmetic number, because the mean of its divisors is an integer number (41374590).

Almost surely, 2^82749179 is an apocalyptic number.

82749179 is a deficient number, since it is larger than the sum of its proper divisors (1).

82749179 is an equidigital number, since it uses as much as digits as its factorization.

82749179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 47.

The square root of 82749179 is about 9096.6575729770. The cubic root of 82749179 is about 435.7672266305.

It can be divided in two parts, 82749 and 179, that added together give a palindrome (82928).

The spelling of 82749179 in words is "eighty-two million, seven hundred forty-nine thousand, one hundred seventy-nine".