47909938722 has 16 divisors (see below), whose sum is σ = 99985959360. Its totient is φ = 15275632592.

The previous prime is 47909938721. The next prime is 47909938757. The reversal of 47909938722 is 22783990974.

47909938722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47909938721) 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, 173586597 + ... + 173586872.

It is an arithmetic number, because the mean of its divisors is an integer number (6249122460).

Almost surely, 2^47909938722 is an apocalyptic number.

47909938722 is an abundant number, since it is smaller than the sum of its proper divisors (52076020638).

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

47909938722 is a wasteful number, since it uses less digits than its factorization.

47909938722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347173497.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 47909938722 in words is "forty-seven billion, nine hundred nine million, nine hundred thirty-eight thousand, seven hundred twenty-two".