47871295056 has 80 divisors (see below), whose sum is σ = 147978237120. Its totient is φ = 14729627520.

The previous prime is 47871295051. The next prime is 47871295057. The reversal of 47871295056 is 65059217874.

47871295056 is a `hidden beast` number, since 4 + 7 + 8 + 7 + 129 + 505 + 6 = 666.

It is a super-2 number, since 2×47871295056² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 47871294993 and 47871295011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47871295051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4256430 + ... + 4267661.

It is an arithmetic number, because the mean of its divisors is an integer number (1849727964).

Almost surely, 2^47871295056 is an apocalyptic number.

It is an amenable number.

47871295056 is an abundant number, since it is smaller than the sum of its proper divisors (100106942064).

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

47871295056 is a wasteful number, since it uses less digits than its factorization.

47871295056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8524121 (or 8524109 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 47871295056 in words is "forty-seven billion, eight hundred seventy-one million, two hundred ninety-five thousand, fifty-six".