80682756860 has 24 divisors (see below), whose sum is σ = 169478902320. Its totient is φ = 32264509824.

The previous prime is 80682756793. The next prime is 80682756953. The reversal of 80682756860 is 6865728608.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 80682756796 and 80682756805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459794 + ... + 610553.

It is an arithmetic number, because the mean of its divisors is an integer number (7061620930).

Almost surely, 2^80682756860 is an apocalyptic number.

It is an amenable number.

80682756860 is an abundant number, since it is smaller than the sum of its proper divisors (88796145460).

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

80682756860 is a wasteful number, since it uses less digits than its factorization.

80682756860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074125 (or 1074123 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 80682756860 in words is "eighty billion, six hundred eighty-two million, seven hundred fifty-six thousand, eight hundred sixty".