80317883891 has 8 divisors (see below), whose sum is σ = 92116222464. Its totient is φ = 68600634120.

The previous prime is 80317883869. The next prime is 80317883957. The reversal of 80317883891 is 19838871308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80317883891 - 2²⁶ = 80250775027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80317583891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20270075 + ... + 20274036.

It is an arithmetic number, because the mean of its divisors is an integer number (11514527808).

Almost surely, 2^80317883891 is an apocalyptic number.

80317883891 is a deficient number, since it is larger than the sum of its proper divisors (11798338573).

80317883891 is a wasteful number, since it uses less digits than its factorization.

80317883891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40544401.

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 80317883891 in words is "eighty billion, three hundred seventeen million, eight hundred eighty-three thousand, eight hundred ninety-one".