47885670866 has 24 divisors (see below), whose sum is σ = 79237130700. Its totient is φ = 21687605280.

The previous prime is 47885670863. The next prime is 47885670881. The reversal of 47885670866 is 66807658874.

47885670866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 46128300625 + 1757370241 = 214775^2 + 41921^2 .

It is a super-3 number, since 3×47885670866³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47885670863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290141 + ... + 424208.

Almost surely, 2^47885670866 is an apocalyptic number.

47885670866 is a deficient number, since it is larger than the sum of its proper divisors (31351459834).

47885670866 is a wasteful number, since it uses less digits than its factorization.

47885670866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714650 (or 714639 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 65.

The spelling of 47885670866 in words is "forty-seven billion, eight hundred eighty-five million, six hundred seventy thousand, eight hundred sixty-six".