47128828768 has 72 divisors (see below), whose sum is σ = 113614212600. Its totient is φ = 19135001088.

The previous prime is 47128828763. The next prime is 47128828771. The reversal of 47128828768 is 86782882174.

47128828768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47128828768² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47128828763) 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, 761173 + ... + 820756.

It is an arithmetic number, because the mean of its divisors is an integer number (1577975175).

Almost surely, 2^47128828768 is an apocalyptic number.

It is an amenable number.

47128828768 is an abundant number, since it is smaller than the sum of its proper divisors (66485383832).

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

47128828768 is a wasteful number, since it uses less digits than its factorization.

47128828768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581972 (or 1581957 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 61.

The spelling of 47128828768 in words is "forty-seven billion, one hundred twenty-eight million, eight hundred twenty-eight thousand, seven hundred sixty-eight".