9754872791 has 2 divisors, whose sum is σ = 9754872792. Its totient is φ = 9754872790.

The previous prime is 9754872779. The next prime is 9754872811. The reversal of 9754872791 is 1972784579.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9754872791 - 2¹⁸ = 9754610647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9754872791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9754872761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4877436395 + 4877436396.

It is an arithmetic number, because the mean of its divisors is an integer number (4877436396).

Almost surely, 2^9754872791 is an apocalyptic number.

9754872791 is a deficient number, since it is larger than the sum of its proper divisors (1).

9754872791 is an equidigital number, since it uses as much as digits as its factorization.

9754872791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8890560, while the sum is 59.

The square root of 9754872791 is about 98766.7595448995. The cubic root of 9754872791 is about 2136.6851751283.

The spelling of 9754872791 in words is "nine billion, seven hundred fifty-four million, eight hundred seventy-two thousand, seven hundred ninety-one".