47381547328 has 56 divisors (see below), whose sum is σ = 95556263040. Its totient is φ = 23306787840.

The previous prime is 47381547319. The next prime is 47381547337. The reversal of 47381547328 is 82374518374.

It is an interprime number because it is at equal distance from previous prime (47381547319) and next prime (47381547337).

It is a super-2 number, since 2×47381547328² (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, 1250908 + ... + 1288228.

It is an arithmetic number, because the mean of its divisors is an integer number (1706361840).

Almost surely, 2^47381547328 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 47381547328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47778131520).

47381547328 is an abundant number, since it is smaller than the sum of its proper divisors (48174715712).

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

47381547328 is a wasteful number, since it uses less digits than its factorization.

47381547328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37655 (or 37645 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 52.

The spelling of 47381547328 in words is "forty-seven billion, three hundred eighty-one million, five hundred forty-seven thousand, three hundred twenty-eight".