80686082648 has 16 divisors (see below), whose sum is σ = 156503178000. Its totient is φ = 38951901856.

The previous prime is 80686082647. The next prime is 80686082681. The reversal of 80686082648 is 84628068608.

It is a junction number, because it is equal to n+sod(n) for n = 80686082593 and 80686082602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80686082647) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 173892188 + ... + 173892651.

It is an arithmetic number, because the mean of its divisors is an integer number (9781448625).

Almost surely, 2^80686082648 is an apocalyptic number.

It is an amenable number.

80686082648 is a deficient number, since it is larger than the sum of its proper divisors (75817095352).

80686082648 is a wasteful number, since it uses less digits than its factorization.

80686082648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347784874 (or 347784870 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 56.

The spelling of 80686082648 in words is "eighty billion, six hundred eighty-six million, eighty-two thousand, six hundred forty-eight".