82427859 has 6 divisors (see below), whose sum is σ = 119062476. Its totient is φ = 54951900.

The previous prime is 82427857. The next prime is 82427887. The reversal of 82427859 is 95872428.

It is not a de Polignac number, because 82427859 - 2¹ = 82427857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82427857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4579317 + ... + 4579334.

It is an arithmetic number, because the mean of its divisors is an integer number (19843746).

Almost surely, 2^82427859 is an apocalyptic number.

82427859 is a deficient number, since it is larger than the sum of its proper divisors (36634617).

82427859 is a wasteful number, since it uses less digits than its factorization.

82427859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158657 (or 9158654 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 82427859 is about 9078.9789624164. The cubic root of 82427859 is about 435.2024582738.

The spelling of 82427859 in words is "eighty-two million, four hundred twenty-seven thousand, eight hundred fifty-nine".