80740008688 has 20 divisors (see below), whose sum is σ = 156490184880. Its totient is φ = 40355444864.

The previous prime is 80740008659. The next prime is 80740008721. The reversal of 80740008688 is 88680004708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864148 + ... + 953011.

It is an arithmetic number, because the mean of its divisors is an integer number (7824509244).

Almost surely, 2^80740008688 is an apocalyptic number.

It is an amenable number.

80740008688 is a deficient number, since it is larger than the sum of its proper divisors (75750176192).

80740008688 is a wasteful number, since it uses less digits than its factorization.

80740008688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819944 (or 1819938 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

The spelling of 80740008688 in words is "eighty billion, seven hundred forty million, eight thousand, six hundred eighty-eight".