427946813527 has 4 divisors (see below), whose sum is σ = 428126549976. Its totient is φ = 427767077080.

The previous prime is 427946813509. The next prime is 427946813587. The reversal of 427946813527 is 725318649724.

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-427946813527 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427946813587) 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, 89864653 + ... + 89869414.

It is an arithmetic number, because the mean of its divisors is an integer number (107031637494).

Almost surely, 2^427946813527 is an apocalyptic number.

427946813527 is a deficient number, since it is larger than the sum of its proper divisors (179736449).

427946813527 is a wasteful number, since it uses less digits than its factorization.

427946813527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179736448.

The product of its digits is 20321280, while the sum is 58.

The spelling of 427946813527 in words is "four hundred twenty-seven billion, nine hundred forty-six million, eight hundred thirteen thousand, five hundred twenty-seven".