47878344188 has 24 divisors (see below), whose sum is σ = 88204166400. Its totient is φ = 22677360048.

The previous prime is 47878344187. The next prime is 47878344203. The reversal of 47878344188 is 88144387874.

It is a super-3 number, since 3×47878344188³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47878344188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47878344187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498031 + ... + 1529657.

It is an arithmetic number, because the mean of its divisors is an integer number (3675173600).

Almost surely, 2^47878344188 is an apocalyptic number.

It is an amenable number.

47878344188 is a deficient number, since it is larger than the sum of its proper divisors (40325822212).

47878344188 is a wasteful number, since it uses less digits than its factorization.

47878344188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51569 (or 51567 counting only the distinct ones).

The product of its digits is 38535168, while the sum is 62.

The spelling of 47878344188 in words is "forty-seven billion, eight hundred seventy-eight million, three hundred forty-four thousand, one hundred eighty-eight".