8680380791 has 4 divisors (see below), whose sum is σ = 8865069792. Its totient is φ = 8495691792.

The previous prime is 8680380781. The next prime is 8680380809. The reversal of 8680380791 is 1970830868.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8680380791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8680380781) 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, 92344430 + ... + 92344523.

It is an arithmetic number, because the mean of its divisors is an integer number (2216267448).

Almost surely, 2^8680380791 is an apocalyptic number.

8680380791 is a deficient number, since it is larger than the sum of its proper divisors (184689001).

8680380791 is a wasteful number, since it uses less digits than its factorization.

8680380791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184689000.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 8680380791 is about 93168.5611727475. The cubic root of 8680380791 is about 2055.1629363095.

The spelling of 8680380791 in words is "eight billion, six hundred eighty million, three hundred eighty thousand, seven hundred ninety-one".