82869119 has 2 divisors, whose sum is σ = 82869120. Its totient is φ = 82869118.

The previous prime is 82869097. The next prime is 82869167. The reversal of 82869119 is 91196828.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82869119 is a prime.

It is a super-2 number, since 2×82869119² = 13734581767672322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82869119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82860119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41434559 + 41434560.

It is an arithmetic number, because the mean of its divisors is an integer number (41434560).

Almost surely, 2^82869119 is an apocalyptic number.

82869119 is a deficient number, since it is larger than the sum of its proper divisors (1).

82869119 is an equidigital number, since it uses as much as digits as its factorization.

82869119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 44.

The square root of 82869119 is about 9103.2477171612. The cubic root of 82869119 is about 435.9776645265.

The spelling of 82869119 in words is "eighty-two million, eight hundred sixty-nine thousand, one hundred nineteen".