80093721688 has 32 divisors (see below), whose sum is σ = 158285437200. Its totient is φ = 37936382848.

The previous prime is 80093721641. The next prime is 80093721707. The reversal of 80093721688 is 88612739008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3244606 + ... + 3269197.

Almost surely, 2^80093721688 is an apocalyptic number.

It is an amenable number.

80093721688 is a deficient number, since it is larger than the sum of its proper divisors (78191715512).

80093721688 is a wasteful number, since it uses less digits than its factorization.

80093721688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6513891 (or 6513887 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 80093721688 in words is "eighty billion, ninety-three million, seven hundred twenty-one thousand, six hundred eighty-eight".