8003427667 has 2 divisors, whose sum is σ = 8003427668. Its totient is φ = 8003427666.

The previous prime is 8003427631. The next prime is 8003427749. The reversal of 8003427667 is 7667243008.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8003427667 - 2⁷ = 8003427539 is a prime.

It is not a weakly prime, because it can be changed into another prime (8003427767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4001713833 + 4001713834.

It is an arithmetic number, because the mean of its divisors is an integer number (4001713834).

Almost surely, 2^8003427667 is an apocalyptic number.

8003427667 is a deficient number, since it is larger than the sum of its proper divisors (1).

8003427667 is an equidigital number, since it uses as much as digits as its factorization.

8003427667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 8003427667 is about 89461.8782890232. The cubic root of 8003427667 is about 2000.2855981316.

It can be divided in two parts, 80034 and 27667, that added together give a palindrome (107701).

The spelling of 8003427667 in words is "eight billion, three million, four hundred twenty-seven thousand, six hundred sixty-seven".