8278949167 has 2 divisors, whose sum is σ = 8278949168. Its totient is φ = 8278949166.

The previous prime is 8278949101. The next prime is 8278949197. The reversal of 8278949167 is 7619498728.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8278949167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8278949197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4139474583 + 4139474584.

It is an arithmetic number, because the mean of its divisors is an integer number (4139474584).

Almost surely, 2^8278949167 is an apocalyptic number.

8278949167 is a deficient number, since it is larger than the sum of its proper divisors (1).

8278949167 is an equidigital number, since it uses as much as digits as its factorization.

8278949167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 61.

The square root of 8278949167 is about 90988.7309890626. The cubic root of 8278949167 is about 2022.9806963484.

The spelling of 8278949167 in words is "eight billion, two hundred seventy-eight million, nine hundred forty-nine thousand, one hundred sixty-seven".