42854863 has 2 divisors, whose sum is σ = 42854864. Its totient is φ = 42854862.

The previous prime is 42854839. The next prime is 42854873. The reversal of 42854863 is 36845824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42854863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42854813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21427431 + 21427432.

It is an arithmetic number, because the mean of its divisors is an integer number (21427432).

Almost surely, 2^42854863 is an apocalyptic number.

42854863 is a deficient number, since it is larger than the sum of its proper divisors (1).

42854863 is an equidigital number, since it uses as much as digits as its factorization.

42854863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 40.

The square root of 42854863 is about 6546.3625777985. The cubic root of 42854863 is about 349.9451968615.

The spelling of 42854863 in words is "forty-two million, eight hundred fifty-four thousand, eight hundred sixty-three".