427712556281 has 8 divisors (see below), whose sum is σ = 436647672000. Its totient is φ = 418858301680.

The previous prime is 427712556269. The next prime is 427712556283. The reversal of 427712556281 is 182655217724.

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 427712556281 - 2³⁰ = 426638814457 is a prime.

It is a super-2 number, since 2×427712556281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427712556283) 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, 20204591 + ... + 20225748.

It is an arithmetic number, because the mean of its divisors is an integer number (54580959000).

Almost surely, 2^427712556281 is an apocalyptic number.

It is an amenable number.

427712556281 is a deficient number, since it is larger than the sum of its proper divisors (8935115719).

427712556281 is a wasteful number, since it uses less digits than its factorization.

427712556281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40430559.

The product of its digits is 1881600, while the sum is 50.

The spelling of 427712556281 in words is "four hundred twenty-seven billion, seven hundred twelve million, five hundred fifty-six thousand, two hundred eighty-one".