47575888728 has 96 divisors (see below), whose sum is σ = 123285080880. Its totient is φ = 15299020800.

The previous prime is 47575888727. The next prime is 47575888729. The reversal of 47575888728 is 82788857574.

It is an interprime number because it is at equal distance from previous prime (47575888727) and next prime (47575888729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47575888727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7769508 + ... + 7775628.

Almost surely, 2^47575888728 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 47575888728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61642540440).

47575888728 is an abundant number, since it is smaller than the sum of its proper divisors (75709192152).

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

47575888728 is a wasteful number, since it uses less digits than its factorization.

47575888728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529 (or 6494 counting only the distinct ones).

The product of its digits is 280985600, while the sum is 69.

The spelling of 47575888728 in words is "forty-seven billion, five hundred seventy-five million, eight hundred eighty-eight thousand, seven hundred twenty-eight".