427821112047 has 12 divisors (see below), whose sum is σ = 663559276056. Its totient is φ = 244469206800.

The previous prime is 427821111959. The next prime is 427821112049. The reversal of 427821112047 is 740211128724.

It is not a de Polignac number, because 427821112047 - 2⁸ = 427821111791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427821111996 and 427821112014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427821112049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1455173704 + ... + 1455173997.

It is an arithmetic number, because the mean of its divisors is an integer number (55296606338).

Almost surely, 2^427821112047 is an apocalyptic number.

427821112047 is a deficient number, since it is larger than the sum of its proper divisors (235738164009).

427821112047 is a wasteful number, since it uses less digits than its factorization.

427821112047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910347718 (or 2910347711 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The spelling of 427821112047 in words is "four hundred twenty-seven billion, eight hundred twenty-one million, one hundred twelve thousand, forty-seven".