82729379 has 2 divisors, whose sum is σ = 82729380. Its totient is φ = 82729378.

The previous prime is 82729369. The next prime is 82729441. The reversal of 82729379 is 97392728.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82729379 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82729319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41364689 + 41364690.

It is an arithmetic number, because the mean of its divisors is an integer number (41364690).

Almost surely, 2^82729379 is an apocalyptic number.

82729379 is a deficient number, since it is larger than the sum of its proper divisors (1).

82729379 is an equidigital number, since it uses as much as digits as its factorization.

82729379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The square root of 82729379 is about 9095.5691960427. The cubic root of 82729379 is about 435.7324674564.

The spelling of 82729379 in words is "eighty-two million, seven hundred twenty-nine thousand, three hundred seventy-nine".