47217712508 has 48 divisors (see below), whose sum is σ = 86027598720. Its totient is φ = 22661620800.

The previous prime is 47217712501. The next prime is 47217712511. The reversal of 47217712508 is 80521771274.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47217712501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2630243 + ... + 2648133.

It is an arithmetic number, because the mean of its divisors is an integer number (1792241640).

Almost surely, 2^47217712508 is an apocalyptic number.

It is an amenable number.

47217712508 is a deficient number, since it is larger than the sum of its proper divisors (38809886212).

47217712508 is a wasteful number, since it uses less digits than its factorization.

47217712508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18218 (or 18216 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 44.

The spelling of 47217712508 in words is "forty-seven billion, two hundred seventeen million, seven hundred twelve thousand, five hundred eight".