80613685688 has 32 divisors (see below), whose sum is σ = 157777804800. Its totient is φ = 38540835168.

The previous prime is 80613685637. The next prime is 80613685693. The reversal of 80613685688 is 88658631608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458693 + ... + 609611.

It is an arithmetic number, because the mean of its divisors is an integer number (4930556400).

Almost surely, 2^80613685688 is an apocalyptic number.

It is an amenable number.

80613685688 is a deficient number, since it is larger than the sum of its proper divisors (77164119112).

80613685688 is a wasteful number, since it uses less digits than its factorization.

80613685688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153851 (or 153847 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 80613685688 in words is "eighty billion, six hundred thirteen million, six hundred eighty-five thousand, six hundred eighty-eight".