427118437 has 2 divisors, whose sum is σ = 427118438. Its totient is φ = 427118436.

The previous prime is 427118429. The next prime is 427118453. The reversal of 427118437 is 734811724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274200481 + 152917956 = 16559^2 + 12366^2 .

It is a cyclic number.

It is not a de Polignac number, because 427118437 - 2³ = 427118429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427118396 and 427118405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427118137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213559218 + 213559219.

It is an arithmetic number, because the mean of its divisors is an integer number (213559219).

Almost surely, 2^427118437 is an apocalyptic number.

It is an amenable number.

427118437 is a deficient number, since it is larger than the sum of its proper divisors (1).

427118437 is an equidigital number, since it uses as much as digits as its factorization.

427118437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 427118437 is about 20666.8439051540. The cubic root of 427118437 is about 753.0944369799.

The spelling of 427118437 in words is "four hundred twenty-seven million, one hundred eighteen thousand, four hundred thirty-seven".