47666666673 has 16 divisors (see below), whose sum is σ = 74771242560. Its totient is φ = 29908496448.

The previous prime is 47666666653. The next prime is 47666666711. The reversal of 47666666673 is 37666666674.

47666666673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47666666673 - 2¹² = 47666662577 is a prime.

It is a super-2 number, since 2×47666666673² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47666666673.

It is not an unprimeable number, because it can be changed into a prime (47666666603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51924015 + ... + 51924932.

It is an arithmetic number, because the mean of its divisors is an integer number (4673202660).

Almost surely, 2^47666666673 is an apocalyptic number.

It is an amenable number.

47666666673 is a deficient number, since it is larger than the sum of its proper divisors (27104575887).

47666666673 is a wasteful number, since it uses less digits than its factorization.

47666666673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103848973 (or 103848967 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 63.

Subtracting from 47666666673 its reverse (37666666674), we obtain a palindrome (9999999999).

The spelling of 47666666673 in words is "forty-seven billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-three".