82379771 has 2 divisors, whose sum is σ = 82379772. Its totient is φ = 82379770.

The previous prime is 82379747. The next prime is 82379777. The reversal of 82379771 is 17797328.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82379771 - 2²² = 78185467 is a prime.

It is not a weakly prime, because it can be changed into another prime (82379777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41189885 + 41189886.

It is an arithmetic number, because the mean of its divisors is an integer number (41189886).

Almost surely, 2^82379771 is an apocalyptic number.

82379771 is a deficient number, since it is larger than the sum of its proper divisors (1).

82379771 is an equidigital number, since it uses as much as digits as its factorization.

82379771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 44.

The square root of 82379771 is about 9076.3302606285. The cubic root of 82379771 is about 435.1178101660.

The spelling of 82379771 in words is "eighty-two million, three hundred seventy-nine thousand, seven hundred seventy-one".