9940827859 has 2 divisors, whose sum is σ = 9940827860. Its totient is φ = 9940827858.

The previous prime is 9940827823. The next prime is 9940827863. The reversal of 9940827859 is 9587280499.

9940827859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9940827859 - 2¹⁵ = 9940795091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9940827797 and 9940827806.

It is not a weakly prime, because it can be changed into another prime (9940827889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4970413929 + 4970413930.

It is an arithmetic number, because the mean of its divisors is an integer number (4970413930).

Almost surely, 2^9940827859 is an apocalyptic number.

9940827859 is a deficient number, since it is larger than the sum of its proper divisors (1).

9940827859 is an equidigital number, since it uses as much as digits as its factorization.

9940827859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The square root of 9940827859 is about 99703.7003275204. The cubic root of 9940827859 is about 2150.1768636909.

The spelling of 9940827859 in words is "nine billion, nine hundred forty million, eight hundred twenty-seven thousand, eight hundred fifty-nine".