47815067648 has 96 divisors (see below), whose sum is σ = 97542506880. Its totient is φ = 23426580480.

The previous prime is 47815067621. The next prime is 47815067669. The reversal of 47815067648 is 84676051874.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47815067593 and 47815067602.

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, 43349465 + ... + 43350567.

It is an arithmetic number, because the mean of its divisors is an integer number (1016067780).

Almost surely, 2^47815067648 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 47815067648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48771253440).

47815067648 is an abundant number, since it is smaller than the sum of its proper divisors (49727439232).

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

47815067648 is a wasteful number, since it uses less digits than its factorization.

47815067648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 47815067648 in words is "forty-seven billion, eight hundred fifteen million, sixty-seven thousand, six hundred forty-eight".