82841997 has 12 divisors (see below), whose sum is σ = 128489856. Its totient is φ = 47338200.

The previous prime is 82841989. The next prime is 82841999. The reversal of 82841997 is 79914828.

It is not a de Polignac number, because 82841997 - 2³ = 82841989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82841999) 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 in 11 ways as a sum of consecutive naturals, for example, 281629 + ... + 281922.

It is an arithmetic number, because the mean of its divisors is an integer number (10707488).

Almost surely, 2^82841997 is an apocalyptic number.

It is an amenable number.

82841997 is a deficient number, since it is larger than the sum of its proper divisors (45647859).

82841997 is a wasteful number, since it uses less digits than its factorization.

82841997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563568 (or 563561 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 82841997 is about 9101.7579071298. The cubic root of 82841997 is about 435.9300960369.

It can be divided in two parts, 82841 and 997, that added together give a palindrome (83838).

The spelling of 82841997 in words is "eighty-two million, eight hundred forty-one thousand, nine hundred ninety-seven".