427135520167 has 4 divisors (see below), whose sum is σ = 427470005016. Its totient is φ = 426801035320.

The previous prime is 427135520159. The next prime is 427135520191. The reversal of 427135520167 is 761025531724.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427135520167 - 2³ = 427135520159 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 (427135520117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167240509 + ... + 167243062.

It is an arithmetic number, because the mean of its divisors is an integer number (106867501254).

Almost surely, 2^427135520167 is an apocalyptic number.

427135520167 is a deficient number, since it is larger than the sum of its proper divisors (334484849).

427135520167 is a wasteful number, since it uses less digits than its factorization.

427135520167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334484848.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 427135520167 in words is "four hundred twenty-seven billion, one hundred thirty-five million, five hundred twenty thousand, one hundred sixty-seven".