8360980991 has 4 divisors (see below), whose sum is σ = 9121070184. Its totient is φ = 7600891800.

The previous prime is 8360980967. The next prime is 8360980993. The reversal of 8360980991 is 1990890638.

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-8360980991 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 (8360980993) 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, 380044580 + ... + 380044601.

It is an arithmetic number, because the mean of its divisors is an integer number (2280267546).

Almost surely, 2^8360980991 is an apocalyptic number.

8360980991 is a deficient number, since it is larger than the sum of its proper divisors (760089193).

8360980991 is a wasteful number, since it uses less digits than its factorization.

8360980991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760089192.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 8360980991 is about 91438.3999805333. The cubic root of 8360980991 is about 2029.6403053638.

The spelling of 8360980991 in words is "eight billion, three hundred sixty million, nine hundred eighty thousand, nine hundred ninety-one".