9827040871 has 2 divisors, whose sum is σ = 9827040872. Its totient is φ = 9827040870.

The previous prime is 9827040851. The next prime is 9827040887. The reversal of 9827040871 is 1780407289.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9827040871 - 2²⁷ = 9692823143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9827040851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4913520435 + 4913520436.

It is an arithmetic number, because the mean of its divisors is an integer number (4913520436).

Almost surely, 2^9827040871 is an apocalyptic number.

9827040871 is a deficient number, since it is larger than the sum of its proper divisors (1).

9827040871 is an equidigital number, since it uses as much as digits as its factorization.

9827040871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 9827040871 is about 99131.4323058030. The cubic root of 9827040871 is about 2141.9414116367.

The spelling of 9827040871 in words is "nine billion, eight hundred twenty-seven million, forty thousand, eight hundred seventy-one".