82144868 has 24 divisors (see below), whose sum is σ = 161544768. Its totient is φ = 36264096.

The previous prime is 82144841. The next prime is 82144871. The reversal of 82144868 is 86844128.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33146 + ... + 35537.

It is an arithmetic number, because the mean of its divisors is an integer number (6731032).

Almost surely, 2^82144868 is an apocalyptic number.

It is an amenable number.

82144868 is a deficient number, since it is larger than the sum of its proper divisors (79399900).

82144868 is a wasteful number, since it uses less digits than its factorization.

82144868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68723 (or 68721 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 82144868 is about 9063.3806054915. The cubic root of 82144868 is about 434.7038421017.

The spelling of 82144868 in words is "eighty-two million, one hundred forty-four thousand, eight hundred sixty-eight".