9827040851 has 2 divisors, whose sum is σ = 9827040852. Its totient is φ = 9827040850.

The previous prime is 9827040829. The next prime is 9827040871. The reversal of 9827040851 is 1580407289.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9827040851 is a prime.

It is not a weakly prime, because it can be changed into another prime (9827040871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4913520425 + 4913520426.

It is an arithmetic number, because the mean of its divisors is an integer number (4913520426).

Almost surely, 2^9827040851 is an apocalyptic number.

9827040851 is a deficient number, since it is larger than the sum of its proper divisors (1).

9827040851 is an equidigital number, since it uses as much as digits as its factorization.

9827040851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 9827040851 is about 99131.4322049268. The cubic root of 9827040851 is about 2141.9414101836.

The spelling of 9827040851 in words is "nine billion, eight hundred twenty-seven million, forty thousand, eight hundred fifty-one".