82388836 has 6 divisors (see below), whose sum is σ = 144180470. Its totient is φ = 41194416.

The previous prime is 82388833. The next prime is 82388909. The reversal of 82388836 is 63888328.

It can be written as a sum of positive squares in only one way, i.e., 78428736 + 3960100 = 8856^2 + 1990^2 .

It is not an unprimeable number, because it can be changed into a prime (82388833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10298601 + ... + 10298608.

Almost surely, 2^82388836 is an apocalyptic number.

It is an amenable number.

82388836 is a deficient number, since it is larger than the sum of its proper divisors (61791634).

82388836 is a wasteful number, since it uses less digits than its factorization.

82388836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20597213 (or 20597211 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 82388836 is about 9076.8296227262. The cubic root of 82388836 is about 435.1337695786.

The spelling of 82388836 in words is "eighty-two million, three hundred eighty-eight thousand, eight hundred thirty-six".