82858571 has 2 divisors, whose sum is σ = 82858572. Its totient is φ = 82858570.

The previous prime is 82858547. The next prime is 82858579. The reversal of 82858571 is 17585828.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82858571 is a prime.

It is not a weakly prime, because it can be changed into another prime (82858579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41429285 + 41429286.

It is an arithmetic number, because the mean of its divisors is an integer number (41429286).

Almost surely, 2^82858571 is an apocalyptic number.

82858571 is a deficient number, since it is larger than the sum of its proper divisors (1).

82858571 is an equidigital number, since it uses as much as digits as its factorization.

82858571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179200, while the sum is 44.

The square root of 82858571 is about 9102.6683450514. The cubic root of 82858571 is about 435.9591659286.

The spelling of 82858571 in words is "eighty-two million, eight hundred fifty-eight thousand, five hundred seventy-one".