82886519 has 2 divisors, whose sum is σ = 82886520. Its totient is φ = 82886518.

The previous prime is 82886513. The next prime is 82886527. The reversal of 82886519 is 91568828.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82886519 is a prime.

It is a super-2 number, since 2×82886519² = 13740350063874722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82886513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41443259 + 41443260.

It is an arithmetic number, because the mean of its divisors is an integer number (41443260).

Almost surely, 2^82886519 is an apocalyptic number.

82886519 is a deficient number, since it is larger than the sum of its proper divisors (1).

82886519 is an equidigital number, since it uses as much as digits as its factorization.

82886519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 47.

The square root of 82886519 is about 9104.2033698726. The cubic root of 82886519 is about 436.0081764171.

The spelling of 82886519 in words is "eighty-two million, eight hundred eighty-six thousand, five hundred nineteen".