47427356566 has 4 divisors (see below), whose sum is σ = 71141034852. Its totient is φ = 23713678282.

The previous prime is 47427356453. The next prime is 47427356573. The reversal of 47427356566 is 66565372474.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11856839140 + ... + 11856839143.

It is an arithmetic number, because the mean of its divisors is an integer number (17785258713).

Almost surely, 2^47427356566 is an apocalyptic number.

47427356566 is a deficient number, since it is larger than the sum of its proper divisors (23713678286).

47427356566 is a wasteful number, since it uses less digits than its factorization.

47427356566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23713678285.

The product of its digits is 25401600, while the sum is 55.

The spelling of 47427356566 in words is "forty-seven billion, four hundred twenty-seven million, three hundred fifty-six thousand, five hundred sixty-six".