47811773238 has 8 divisors (see below), whose sum is σ = 95623546488. Its totient is φ = 15937257744.

The previous prime is 47811773203. The next prime is 47811773239. The reversal of 47811773238 is 83237711874.

47811773238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

47811773238 is an admirable number.

It is a super-3 number, since 3×47811773238³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47811773239) 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, 3984314431 + ... + 3984314442.

It is an arithmetic number, because the mean of its divisors is an integer number (11952943311).

Almost surely, 2^47811773238 is an apocalyptic number.

47811773238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47811773238 is a wasteful number, since it uses less digits than its factorization.

47811773238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968628878.

The product of its digits is 1580544, while the sum is 51.

The spelling of 47811773238 in words is "forty-seven billion, eight hundred eleven million, seven hundred seventy-three thousand, two hundred thirty-eight".