427675646547 has 16 divisors (see below), whose sum is σ = 634497420960. Its totient is φ = 284710356000.

The previous prime is 427675646537. The next prime is 427675646549. The reversal of 427675646547 is 745646576724.

427675646547 is a `hidden beast` number, since 4 + 2 + 7 + 6 + 7 + 564 + 65 + 4 + 7 = 666.

It is not a de Polignac number, because 427675646547 - 2⁶ = 427675646483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427675646549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11279104 + ... + 11316957.

It is an arithmetic number, because the mean of its divisors is an integer number (39656088810).

Almost surely, 2^427675646547 is an apocalyptic number.

427675646547 is a deficient number, since it is larger than the sum of its proper divisors (206821774413).

427675646547 is a wasteful number, since it uses less digits than its factorization.

427675646547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22596771 (or 22596765 counting only the distinct ones).

The product of its digits is 237081600, while the sum is 63.

The spelling of 427675646547 in words is "four hundred twenty-seven billion, six hundred seventy-five million, six hundred forty-six thousand, five hundred forty-seven".