82257727 has 2 divisors, whose sum is σ = 82257728. Its totient is φ = 82257726.

The previous prime is 82257701. The next prime is 82257797. The reversal of 82257727 is 72775228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82257727 - 2⁷ = 82257599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82257727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82257797) 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, 41128863 + 41128864.

It is an arithmetic number, because the mean of its divisors is an integer number (41128864).

Almost surely, 2^82257727 is an apocalyptic number.

82257727 is a deficient number, since it is larger than the sum of its proper divisors (1).

82257727 is an equidigital number, since it uses as much as digits as its factorization.

82257727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109760, while the sum is 40.

The square root of 82257727 is about 9069.6045669037. The cubic root of 82257727 is about 434.9028311611.

The spelling of 82257727 in words is "eighty-two million, two hundred fifty-seven thousand, seven hundred twenty-seven".