47347385812 has 24 divisors (see below), whose sum is σ = 85107722504. Its totient is φ = 23031050112.

The previous prime is 47347385801. The next prime is 47347385851. The reversal of 47347385812 is 21858374374.

47347385812 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 4 ways, for example, as 30354699076 + 16992686736 = 174226^2 + 130356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47347385812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714498 + ... + 1741894.

Almost surely, 2^47347385812 is an apocalyptic number.

It is an amenable number.

47347385812 is a deficient number, since it is larger than the sum of its proper divisors (37760336692).

47347385812 is a wasteful number, since it uses less digits than its factorization.

47347385812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39115 (or 39113 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 52.

The spelling of 47347385812 in words is "forty-seven billion, three hundred forty-seven million, three hundred eighty-five thousand, eight hundred twelve".