47871529520 has 20 divisors (see below), whose sum is σ = 111301306320. Its totient is φ = 19148611776.

The previous prime is 47871529501. The next prime is 47871529523. The reversal of 47871529520 is 2592517874.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (47871529523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299196980 + ... + 299197139.

It is an arithmetic number, because the mean of its divisors is an integer number (5565065316).

Almost surely, 2^47871529520 is an apocalyptic number.

47871529520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47871529520 is an abundant number, since it is smaller than the sum of its proper divisors (63429776800).

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

47871529520 is a wasteful number, since it uses less digits than its factorization.

47871529520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598394132 (or 598394126 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 47871529520 in words is "forty-seven billion, eight hundred seventy-one million, five hundred twenty-nine thousand, five hundred twenty".