427954279 has 2 divisors, whose sum is σ = 427954280. Its totient is φ = 427954278.

The previous prime is 427954273. The next prime is 427954291. The reversal of 427954279 is 972459724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427954279 - 2¹⁹ = 427429991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427954273) 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, 213977139 + 213977140.

It is an arithmetic number, because the mean of its divisors is an integer number (213977140).

Almost surely, 2^427954279 is an apocalyptic number.

427954279 is a deficient number, since it is larger than the sum of its proper divisors (1).

427954279 is an equidigital number, since it uses as much as digits as its factorization.

427954279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The square root of 427954279 is about 20687.0558320898. The cubic root of 427954279 is about 753.5853685678.

Subtracting 427954279 from its reverse (972459724), we obtain a palindrome (544505445).

It can be divided in two parts, 42795 and 4279, that added together give a palindrome (47074).

The spelling of 427954279 in words is "four hundred twenty-seven million, nine hundred fifty-four thousand, two hundred seventy-nine".