427275657943 has 8 divisors (see below), whose sum is σ = 429764859216. Its totient is φ = 424786680000.

The previous prime is 427275657929. The next prime is 427275657947. The reversal of 427275657943 is 349756572724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427275657943 - 2⁵ = 427275657911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427275657947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5234443 + ... + 5315443.

It is an arithmetic number, because the mean of its divisors is an integer number (53720607402).

Almost surely, 2^427275657943 is an apocalyptic number.

427275657943 is a deficient number, since it is larger than the sum of its proper divisors (2489201273).

427275657943 is a wasteful number, since it uses less digits than its factorization.

427275657943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111665.

The product of its digits is 88905600, while the sum is 61.

The spelling of 427275657943 in words is "four hundred twenty-seven billion, two hundred seventy-five million, six hundred fifty-seven thousand, nine hundred forty-three".