47666842884 has 144 divisors (see below), whose sum is σ = 125170194240. Its totient is φ = 15284398080.

The previous prime is 47666842879. The next prime is 47666842921. The reversal of 47666842884 is 48824866674.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37860247 + ... + 37861505.

It is an arithmetic number, because the mean of its divisors is an integer number (869237460).

Almost surely, 2^47666842884 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 47666842884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62585097120).

47666842884 is an abundant number, since it is smaller than the sum of its proper divisors (77503351356).

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

47666842884 is a wasteful number, since it uses less digits than its factorization.

47666842884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1645 counting only the distinct ones).

The product of its digits is 99090432, while the sum is 63.

The spelling of 47666842884 in words is "forty-seven billion, six hundred sixty-six million, eight hundred forty-two thousand, eight hundred eighty-four".