82277774519 has 2 divisors, whose sum is σ = 82277774520. Its totient is φ = 82277774518.

The previous prime is 82277774459. The next prime is 82277774539. The reversal of 82277774519 is 91547777228.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82277774519 - 2¹² = 82277770423 is a prime.

It is a super-2 number, since 2×82277774519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82277774539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41138887259 + 41138887260.

It is an arithmetic number, because the mean of its divisors is an integer number (41138887260).

Almost surely, 2^82277774519 is an apocalyptic number.

82277774519 is a deficient number, since it is larger than the sum of its proper divisors (1).

82277774519 is an equidigital number, since it uses as much as digits as its factorization.

82277774519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13829760, while the sum is 59.

The spelling of 82277774519 in words is "eighty-two billion, two hundred seventy-seven million, seven hundred seventy-four thousand, five hundred nineteen".