82590847 has 2 divisors, whose sum is σ = 82590848. Its totient is φ = 82590846.

The previous prime is 82590841. The next prime is 82590857. The reversal of 82590847 is 74809528.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82590847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82590841) 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, 41295423 + 41295424.

It is an arithmetic number, because the mean of its divisors is an integer number (41295424).

Almost surely, 2^82590847 is an apocalyptic number.

82590847 is a deficient number, since it is larger than the sum of its proper divisors (1).

82590847 is an equidigital number, since it uses as much as digits as its factorization.

82590847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 82590847 is about 9087.9506490738. The cubic root of 82590847 is about 435.4891173300.

The spelling of 82590847 in words is "eighty-two million, five hundred ninety thousand, eight hundred forty-seven".