427830943047 has 4 divisors (see below), whose sum is σ = 570441257400. Its totient is φ = 285220628696.

The previous prime is 427830943019. The next prime is 427830943051. The reversal of 427830943047 is 740349038724.

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 427830943047 - 2²⁷ = 427696725319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427830943847) 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, 71305157172 + ... + 71305157177.

It is an arithmetic number, because the mean of its divisors is an integer number (142610314350).

Almost surely, 2^427830943047 is an apocalyptic number.

427830943047 is a deficient number, since it is larger than the sum of its proper divisors (142610314353).

427830943047 is a wasteful number, since it uses less digits than its factorization.

427830943047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142610314352.

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 427830943047 in words is "four hundred twenty-seven billion, eight hundred thirty million, nine hundred forty-three thousand, forty-seven".