47163605728 has 48 divisors (see below), whose sum is σ = 96114256560. Its totient is φ = 22754636800.

The previous prime is 47163605717. The next prime is 47163605729. The reversal of 47163605728 is 82750636174.

47163605728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47163605729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582323 + ... + 1611853.

It is an arithmetic number, because the mean of its divisors is an integer number (2002380345).

Almost surely, 2^47163605728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47163605728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48057128280).

47163605728 is an abundant number, since it is smaller than the sum of its proper divisors (48950650832).

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

47163605728 is a wasteful number, since it uses less digits than its factorization.

47163605728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31291 (or 31283 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 47163605728 in words is "forty-seven billion, one hundred sixty-three million, six hundred five thousand, seven hundred twenty-eight".