427134533081127 has 4 divisors (see below), whose sum is σ = 569512710774840. Its totient is φ = 284756355387416.

The previous prime is 427134533081111. The next prime is 427134533081129. The reversal of 427134533081127 is 721180335431724.

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 427134533081127 - 2⁴ = 427134533081111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427134533081127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427134533081129) 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, 71189088846852 + ... + 71189088846857.

It is an arithmetic number, because the mean of its divisors is an integer number (142378177693710).

Almost surely, 2^{427134533081127} is an apocalyptic number.

427134533081127 is a deficient number, since it is larger than the sum of its proper divisors (142378177693713).

427134533081127 is a wasteful number, since it uses less digits than its factorization.

427134533081127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142378177693712.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 427134533081127 in words is "four hundred twenty-seven trillion, one hundred thirty-four billion, five hundred thirty-three million, eighty-one thousand, one hundred twenty-seven".