47788174217868 has 96 divisors (see below), whose sum is σ = 133398702194688. Its totient is φ = 13027216910400.

The previous prime is 47788174217867. The next prime is 47788174217879. The reversal of 47788174217868 is 86871247188774.

It is a junction number, because it is equal to n+sod(n) for n = 47788174217793 and 47788174217802.

It is not an unprimeable number, because it can be changed into a prime (47788174217867) 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, 129053380 + ... + 129423147.

It is an arithmetic number, because the mean of its divisors is an integer number (1389569814528).

Almost surely, 2^{47788174217868} is an apocalyptic number.

It is an amenable number.

47788174217868 is an abundant number, since it is smaller than the sum of its proper divisors (85610527976820).

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

47788174217868 is a wasteful number, since it uses less digits than its factorization.

47788174217868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258476643 (or 258476641 counting only the distinct ones).

The product of its digits is 1888223232, while the sum is 78.

The spelling of 47788174217868 in words is "forty-seven trillion, seven hundred eighty-eight billion, one hundred seventy-four million, two hundred seventeen thousand, eight hundred sixty-eight".