8455427 has 2 divisors, whose sum is σ = 8455428. Its totient is φ = 8455426.

The previous prime is 8455411. The next prime is 8455429. The reversal of 8455427 is 7245548.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8455427 - 2⁴ = 8455411 is a prime.

Together with 8455429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8455429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4227713 + 4227714.

It is an arithmetic number, because the mean of its divisors is an integer number (4227714).

Almost surely, 2^8455427 is an apocalyptic number.

8455427 is a deficient number, since it is larger than the sum of its proper divisors (1).

8455427 is an equidigital number, since it uses as much as digits as its factorization.

8455427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44800, while the sum is 35.

The square root of 8455427 is about 2907.8216932955. The cubic root of 8455427 is about 203.7254010726.

The spelling of 8455427 in words is "eight million, four hundred fifty-five thousand, four hundred twenty-seven".