427693688167 has 8 divisors (see below), whose sum is σ = 429434928720. Its totient is φ = 425952744000.

The previous prime is 427693688143. The next prime is 427693688189. The reversal of 427693688167 is 761886396724.

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 427693688167 - 2¹⁹ = 427693163879 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 (427690688167) 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, 3092163 + ... + 3227515.

It is an arithmetic number, because the mean of its divisors is an integer number (53679366090).

Almost surely, 2^427693688167 is an apocalyptic number.

427693688167 is a deficient number, since it is larger than the sum of its proper divisors (1741240553).

427693688167 is a wasteful number, since it uses less digits than its factorization.

427693688167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148193.

The product of its digits is 146313216, while the sum is 67.

The spelling of 427693688167 in words is "four hundred twenty-seven billion, six hundred ninety-three million, six hundred eighty-eight thousand, one hundred sixty-seven".