82642062840 has 64 divisors (see below), whose sum is σ = 247954793760. Its totient is φ = 22035340800.

The previous prime is 82642062803. The next prime is 82642062847. The reversal of 82642062840 is 4826024628.

It is a junction number, because it is equal to n+sod(n) for n = 82642062792 and 82642062801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82642062847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153342 + ... + 1222898.

Almost surely, 2^82642062840 is an apocalyptic number.

It is an amenable number.

82642062840 is an abundant number, since it is smaller than the sum of its proper divisors (165312730920).

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

82642062840 is a wasteful number, since it uses less digits than its factorization.

82642062840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79472 (or 79468 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 82642062840 in words is "eighty-two billion, six hundred forty-two million, sixty-two thousand, eight hundred forty".