47271712828 has 24 divisors (see below), whose sum is σ = 84527456832. Its totient is φ = 23121509184.

The previous prime is 47271712811. The next prime is 47271712867. The reversal of 47271712828 is 82821717274.

It is a super-2 number, since 2×47271712828² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324726 + ... + 447202.

It is an arithmetic number, because the mean of its divisors is an integer number (3521977368).

Almost surely, 2^47271712828 is an apocalyptic number.

It is an amenable number.

47271712828 is a deficient number, since it is larger than the sum of its proper divisors (37255744004).

47271712828 is a wasteful number, since it uses less digits than its factorization.

47271712828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124581 (or 124579 counting only the distinct ones).

The product of its digits is 702464, while the sum is 49.

The spelling of 47271712828 in words is "forty-seven billion, two hundred seventy-one million, seven hundred twelve thousand, eight hundred twenty-eight".