8027644819 has 2 divisors, whose sum is σ = 8027644820. Its totient is φ = 8027644818.

The previous prime is 8027644789. The next prime is 8027644847. The reversal of 8027644819 is 9184467208.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8027644819 - 2⁵ = 8027644787 is a prime.

It is a super-2 number, since 2×8027644819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8027644319) 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, 4013822409 + 4013822410.

It is an arithmetic number, because the mean of its divisors is an integer number (4013822410).

Almost surely, 2^8027644819 is an apocalyptic number.

8027644819 is a deficient number, since it is larger than the sum of its proper divisors (1).

8027644819 is an equidigital number, since it uses as much as digits as its factorization.

8027644819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 8027644819 is about 89597.1250599036. The cubic root of 8027644819 is about 2002.3010864020.

The spelling of 8027644819 in words is "eight billion, twenty-seven million, six hundred forty-four thousand, eight hundred nineteen".