8214321047 has 2 divisors, whose sum is σ = 8214321048. Its totient is φ = 8214321046.

The previous prime is 8214321029. The next prime is 8214321077. The reversal of 8214321047 is 7401234128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8214321047 - 2¹² = 8214316951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8214321077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107160523 + 4107160524.

It is an arithmetic number, because the mean of its divisors is an integer number (4107160524).

Almost surely, 2^8214321047 is an apocalyptic number.

8214321047 is a deficient number, since it is larger than the sum of its proper divisors (1).

8214321047 is an equidigital number, since it uses as much as digits as its factorization.

8214321047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 8214321047 is about 90632.8916398456. The cubic root of 8214321047 is about 2017.7029280865.

The spelling of 8214321047 in words is "eight billion, two hundred fourteen million, three hundred twenty-one thousand, forty-seven".