82576919 has 2 divisors, whose sum is σ = 82576920. Its totient is φ = 82576918.

The previous prime is 82576909. The next prime is 82576951. The reversal of 82576919 is 91967528.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82576919 is a prime.

It is a super-2 number, since 2×82576919² = 13637895103065122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82576909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41288459 + 41288460.

It is an arithmetic number, because the mean of its divisors is an integer number (41288460).

Almost surely, 2^82576919 is an apocalyptic number.

82576919 is a deficient number, since it is larger than the sum of its proper divisors (1).

82576919 is an equidigital number, since it uses as much as digits as its factorization.

82576919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The square root of 82576919 is about 9087.1843273921. The cubic root of 82576919 is about 435.4646358706.

The spelling of 82576919 in words is "eighty-two million, five hundred seventy-six thousand, nine hundred nineteen".