47715186816 has 192 divisors, whose sum is σ = 150024700800. Its totient is φ = 14436280320.

The previous prime is 47715186809. The next prime is 47715186863. The reversal of 47715186816 is 61868151774.

47715186816 is a `hidden beast` number, since 47 + 7 + 1 + 518 + 6 + 81 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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, 9108550 + ... + 9113786.

It is an arithmetic number, because the mean of its divisors is an integer number (781378650).

Almost surely, 2^47715186816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47715186816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75012350400).

47715186816 is an abundant number, since it is smaller than the sum of its proper divisors (102309513984).

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

47715186816 is a wasteful number, since it uses less digits than its factorization.

47715186816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5987 (or 5972 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The spelling of 47715186816 in words is "forty-seven billion, seven hundred fifteen million, one hundred eighty-six thousand, eight hundred sixteen".