47856027648 has 192 divisors, whose sum is σ = 149892724800. Its totient is φ = 13386055680.

The previous prime is 47856027631. The next prime is 47856027671. The reversal of 47856027648 is 84672065874.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×47856027648² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851358 + ... + 905826.

It is an arithmetic number, because the mean of its divisors is an integer number (780691275).

Almost surely, 2^47856027648 is an apocalyptic number.

47856027648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47856027648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74946362400).

47856027648 is an abundant number, since it is smaller than the sum of its proper divisors (102036697152).

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

47856027648 is a wasteful number, since it uses less digits than its factorization.

47856027648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54518 (or 54498 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 47856027648 in words is "forty-seven billion, eight hundred fifty-six million, twenty-seven thousand, six hundred forty-eight".