82636868 has 12 divisors (see below), whose sum is σ = 145754112. Its totient is φ = 40992840.

The previous prime is 82636867. The next prime is 82636889. The reversal of 82636868 is 86863628.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82636867) 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, 80828 + ... + 81843.

It is an arithmetic number, because the mean of its divisors is an integer number (12146176).

Almost surely, 2^82636868 is an apocalyptic number.

It is an amenable number.

82636868 is a deficient number, since it is larger than the sum of its proper divisors (63117244).

82636868 is a wasteful number, since it uses less digits than its factorization.

82636868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162802 (or 162800 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 82636868 is about 9090.4822754351. The cubic root of 82636868 is about 435.5699895817.

The spelling of 82636868 in words is "eighty-two million, six hundred thirty-six thousand, eight hundred sixty-eight".