8791074647 has 2 divisors, whose sum is σ = 8791074648. Its totient is φ = 8791074646.

The previous prime is 8791074637. The next prime is 8791074659. The reversal of 8791074647 is 7464701978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8791074647 - 2⁶ = 8791074583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8791074637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4395537323 + 4395537324.

It is an arithmetic number, because the mean of its divisors is an integer number (4395537324).

Almost surely, 2^8791074647 is an apocalyptic number.

8791074647 is a deficient number, since it is larger than the sum of its proper divisors (1).

8791074647 is an equidigital number, since it uses as much as digits as its factorization.

8791074647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The square root of 8791074647 is about 93760.7308365288. The cubic root of 8791074647 is about 2063.8620050730.

The spelling of 8791074647 in words is "eight billion, seven hundred ninety-one million, seventy-four thousand, six hundred forty-seven".