47631727839 has 32 divisors (see below), whose sum is σ = 65199052800. Its totient is φ = 30920732640.

The previous prime is 47631727823. The next prime is 47631727853. The reversal of 47631727839 is 93872713674.

It is a happy number.

It is not a de Polignac number, because 47631727839 - 2⁴ = 47631727823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47631727139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12078102 + ... + 12082044.

It is an arithmetic number, because the mean of its divisors is an integer number (2037470400).

Almost surely, 2^47631727839 is an apocalyptic number.

47631727839 is a deficient number, since it is larger than the sum of its proper divisors (17567324961).

47631727839 is a wasteful number, since it uses less digits than its factorization.

47631727839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635.

The product of its digits is 10668672, while the sum is 57.

The spelling of 47631727839 in words is "forty-seven billion, six hundred thirty-one million, seven hundred twenty-seven thousand, eight hundred thirty-nine".