47447016172 has 12 divisors (see below), whose sum is σ = 83073014640. Its totient is φ = 23711869136.

The previous prime is 47447016161. The next prime is 47447016173. The reversal of 47447016172 is 27161074474.

It is not an unprimeable number, because it can be changed into a prime (47447016173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2900563 + ... + 2916874.

It is an arithmetic number, because the mean of its divisors is an integer number (6922751220).

Almost surely, 2^47447016172 is an apocalyptic number.

It is an amenable number.

47447016172 is a deficient number, since it is larger than the sum of its proper divisors (35625998468).

47447016172 is a wasteful number, since it uses less digits than its factorization.

47447016172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5819480 (or 5819478 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 47447016172 in words is "forty-seven billion, four hundred forty-seven million, sixteen thousand, one hundred seventy-two".