427853879 has 2 divisors, whose sum is σ = 427853880. Its totient is φ = 427853878.

The previous prime is 427853873. The next prime is 427853891. The reversal of 427853879 is 978358724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427853879 - 2²⁴ = 411076663 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427853879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427853873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213926939 + 213926940.

It is an arithmetic number, because the mean of its divisors is an integer number (213926940).

Almost surely, 2^427853879 is an apocalyptic number.

427853879 is a deficient number, since it is larger than the sum of its proper divisors (1).

427853879 is an equidigital number, since it uses as much as digits as its factorization.

427853879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 53.

The square root of 427853879 is about 20684.6290515445. The cubic root of 427853879 is about 753.5264324522.

It can be divided in two parts, 42785 and 3879, that added together give a palindrome (46664).

The spelling of 427853879 in words is "four hundred twenty-seven million, eight hundred fifty-three thousand, eight hundred seventy-nine".