82356812 has 6 divisors (see below), whose sum is σ = 144124428. Its totient is φ = 41178404.

The previous prime is 82356793. The next prime is 82356817. The reversal of 82356812 is 21865328.

It is not an unprimeable number, because it can be changed into a prime (82356817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10294598 + ... + 10294605.

It is an arithmetic number, because the mean of its divisors is an integer number (24020738).

Almost surely, 2^82356812 is an apocalyptic number.

It is an amenable number.

82356812 is a deficient number, since it is larger than the sum of its proper divisors (61767616).

82356812 is a wasteful number, since it uses less digits than its factorization.

82356812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20589207 (or 20589205 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 82356812 is about 9075.0653992134. The cubic root of 82356812 is about 435.0773843920.

The spelling of 82356812 in words is "eighty-two million, three hundred fifty-six thousand, eight hundred twelve".