82724867 has 2 divisors, whose sum is σ = 82724868. Its totient is φ = 82724866.

The previous prime is 82724861. The next prime is 82724881. The reversal of 82724867 is 76842728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82724867 - 2⁸ = 82724611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82724861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41362433 + 41362434.

It is an arithmetic number, because the mean of its divisors is an integer number (41362434).

Almost surely, 2^82724867 is an apocalyptic number.

82724867 is a deficient number, since it is larger than the sum of its proper divisors (1).

82724867 is an equidigital number, since it uses as much as digits as its factorization.

82724867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 44.

The square root of 82724867 is about 9095.3211598052. The cubic root of 82724867 is about 435.7245458021.

The spelling of 82724867 in words is "eighty-two million, seven hundred twenty-four thousand, eight hundred sixty-seven".