47811788816 has 80 divisors (see below), whose sum is σ = 101689771200. Its totient is φ = 21596889600.

The previous prime is 47811788809. The next prime is 47811788891. The reversal of 47811788816 is 61888711874.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34620446 + ... + 34621826.

It is an arithmetic number, because the mean of its divisors is an integer number (1271122140).

Almost surely, 2^47811788816 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 47811788816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50844885600).

47811788816 is an abundant number, since it is smaller than the sum of its proper divisors (53877982384).

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

47811788816 is a wasteful number, since it uses less digits than its factorization.

47811788816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2482 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 59.

The spelling of 47811788816 in words is "forty-seven billion, eight hundred eleven million, seven hundred eighty-eight thousand, eight hundred sixteen".