47109285738 has 48 divisors (see below), whose sum is σ = 103149103200. Its totient is φ = 15537497760.

The previous prime is 47109285719. The next prime is 47109285779. The reversal of 47109285738 is 83758290174.

It is a happy number.

47109285738 is a `hidden beast` number, since 47 + 1 + 0 + 9 + 28 + 573 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1433673 + ... + 1466163.

It is an arithmetic number, because the mean of its divisors is an integer number (2148939650).

Almost surely, 2^47109285738 is an apocalyptic number.

47109285738 is an abundant number, since it is smaller than the sum of its proper divisors (56039817462).

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

47109285738 is a wasteful number, since it uses less digits than its factorization.

47109285738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33347 (or 33344 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 47109285738 in words is "forty-seven billion, one hundred nine million, two hundred eighty-five thousand, seven hundred thirty-eight".