427685534567 has 8 divisors (see below), whose sum is σ = 428215615872. Its totient is φ = 427155636600.

The previous prime is 427685534519. The next prime is 427685534581. The reversal of 427685534567 is 765435586724.

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 427685534567 - 2¹⁸ = 427685272423 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 (427685534587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4957592 + ... + 5043122.

It is an arithmetic number, because the mean of its divisors is an integer number (53526951984).

Almost surely, 2^427685534567 is an apocalyptic number.

427685534567 is a deficient number, since it is larger than the sum of its proper divisors (530081305).

427685534567 is an equidigital number, since it uses as much as digits as its factorization.

427685534567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91669.

The product of its digits is 169344000, while the sum is 62.

The spelling of 427685534567 in words is "four hundred twenty-seven billion, six hundred eighty-five million, five hundred thirty-four thousand, five hundred sixty-seven".