47127647 has 4 divisors (see below), whose sum is σ = 53860176. Its totient is φ = 40395120.

The previous prime is 47127637. The next prime is 47127659. The reversal of 47127647 is 74672174.

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

It is a cyclic number.

It is not a de Polignac number, because 47127647 - 2⁴ = 47127631 is a prime.

It is a super-2 number, since 2×47127647² = 4442030223513218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47127647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47127617) 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, 3366254 + ... + 3366267.

It is an arithmetic number, because the mean of its divisors is an integer number (13465044).

Almost surely, 2^47127647 is an apocalyptic number.

47127647 is a deficient number, since it is larger than the sum of its proper divisors (6732529).

47127647 is an equidigital number, since it uses as much as digits as its factorization.

47127647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732528.

The product of its digits is 65856, while the sum is 38.

The square root of 47127647 is about 6864.9579022744. The cubic root of 47127647 is about 361.2090189500.

It can be divided in two parts, 47127 and 647, that added together give a palindrome (47774).

The spelling of 47127647 in words is "forty-seven million, one hundred twenty-seven thousand, six hundred forty-seven".