8280140793217 has 4 divisors (see below), whose sum is σ = 8360530509760. Its totient is φ = 8199751076676.

The previous prime is 8280140793209. The next prime is 8280140793229. The reversal of 8280140793217 is 7123970410828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8280140793217 - 2³ = 8280140793209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8280140793247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40194858117 + ... + 40194858322.

It is an arithmetic number, because the mean of its divisors is an integer number (2090132627440).

Almost surely, 2^{8280140793217} is an apocalyptic number.

It is an amenable number.

8280140793217 is a deficient number, since it is larger than the sum of its proper divisors (80389716543).

8280140793217 is a wasteful number, since it uses less digits than its factorization.

8280140793217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80389716542.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 8280140793217 in words is "eight trillion, two hundred eighty billion, one hundred forty million, seven hundred ninety-three thousand, two hundred seventeen".