427619537178047 has 4 divisors (see below), whose sum is σ = 427629930713520. Its totient is φ = 427609143642576.

The previous prime is 427619537178007. The next prime is 427619537178077. The reversal of 427619537178047 is 740871735916724.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427619537178047 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 (427619537178007) 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, 5196706022 + ... + 5196788307.

It is an arithmetic number, because the mean of its divisors is an integer number (106907482678380).

It is a 1-persistent number, because it is pandigital, but 2⋅427619537178047 = 855239074356094 is not.

Almost surely, 2^{427619537178047} is an apocalyptic number.

427619537178047 is a deficient number, since it is larger than the sum of its proper divisors (10393535473).

427619537178047 is a wasteful number, since it uses less digits than its factorization.

427619537178047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393535472.

The product of its (nonzero) digits is 497871360, while the sum is 71.

The spelling of 427619537178047 in words is "four hundred twenty-seven trillion, six hundred nineteen billion, five hundred thirty-seven million, one hundred seventy-eight thousand, forty-seven".