47975811583 has 6 divisors (see below), whose sum is σ = 54830161256. Its totient is φ = 41121627492.

The previous prime is 47975811557. The next prime is 47975811593. The reversal of 47975811583 is 38511857974.

It is a de Polignac number, because none of the positive numbers 2^k-47975811583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47975811593) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538116 + ... + 620902.

Almost surely, 2^47975811583 is an apocalyptic number.

47975811583 is a deficient number, since it is larger than the sum of its proper divisors (6854349673).

47975811583 is an frugal number, since it uses more digits than its factorization.

47975811583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165581 (or 82794 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 58.

The spelling of 47975811583 in words is "forty-seven billion, nine hundred seventy-five million, eight hundred eleven thousand, five hundred eighty-three".