427268957 has 2 divisors, whose sum is σ = 427268958. Its totient is φ = 427268956.

The previous prime is 427268929. The next prime is 427269013. The reversal of 427268957 is 759862724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410508121 + 16760836 = 20261^2 + 4094^2 .

It is a cyclic number.

It is not a de Polignac number, because 427268957 - 2²⁰ = 426220381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427268657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213634478 + 213634479.

It is an arithmetic number, because the mean of its divisors is an integer number (213634479).

Almost surely, 2^427268957 is an apocalyptic number.

It is an amenable number.

427268957 is a deficient number, since it is larger than the sum of its proper divisors (1).

427268957 is an equidigital number, since it uses as much as digits as its factorization.

427268957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The square root of 427268957 is about 20670.4851660526. The cubic root of 427268957 is about 753.1828921184.

The spelling of 427268957 in words is "four hundred twenty-seven million, two hundred sixty-eight thousand, nine hundred fifty-seven".