47387866182 has 8 divisors (see below), whose sum is σ = 94775732376. Its totient is φ = 15795955392.

The previous prime is 47387866159. The next prime is 47387866193. The reversal of 47387866182 is 28166878374.

It is a happy number.

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

47387866182 is an admirable number.

It is a super-2 number, since 2×47387866182² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3948988843 + ... + 3948988854.

It is an arithmetic number, because the mean of its divisors is an integer number (11846966547).

Almost surely, 2^47387866182 is an apocalyptic number.

47387866182 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.

47387866182 is a wasteful number, since it uses less digits than its factorization.

47387866182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897977702.

The product of its digits is 21676032, while the sum is 60.

The spelling of 47387866182 in words is "forty-seven billion, three hundred eighty-seven million, eight hundred sixty-six thousand, one hundred eighty-two".