82814864 has 20 divisors (see below), whose sum is σ = 175040880. Its totient is φ = 37643040.

The previous prime is 82814839. The next prime is 82814869. The reversal of 82814864 is 46841828.

It is not an unprimeable number, because it can be changed into a prime (82814869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235094 + ... + 235445.

It is an arithmetic number, because the mean of its divisors is an integer number (8752044).

Almost surely, 2^82814864 is an apocalyptic number.

It is an amenable number.

82814864 is an abundant number, since it is smaller than the sum of its proper divisors (92226016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82814864 is a wasteful number, since it uses less digits than its factorization.

82814864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470558 (or 470552 counting only the distinct ones).

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

The square root of 82814864 is about 9100.2672488230. The cubic root of 82814864 is about 435.8824978649.

The spelling of 82814864 in words is "eighty-two million, eight hundred fourteen thousand, eight hundred sixty-four".