8191712793 has 64 divisors (see below), whose sum is σ = 12459847680. Its totient is φ = 4743897600.

The previous prime is 8191712779. The next prime is 8191712873. The reversal of 8191712793 is 3972171918.

It is not a de Polignac number, because 8191712793 - 2⁸ = 8191712537 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8191712743) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18491230 + ... + 18491672.

It is an arithmetic number, because the mean of its divisors is an integer number (194685120).

Almost surely, 2^8191712793 is an apocalyptic number.

It is an amenable number.

8191712793 is a deficient number, since it is larger than the sum of its proper divisors (4268134887).

8191712793 is a wasteful number, since it uses less digits than its factorization.

8191712793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its digits is 190512, while the sum is 48.

The square root of 8191712793 is about 90508.0813684612. The cubic root of 8191712793 is about 2015.8501210835.

The spelling of 8191712793 in words is "eight billion, one hundred ninety-one million, seven hundred twelve thousand, seven hundred ninety-three".