47817570816 has 120 divisors (see below), whose sum is σ = 138159800064. Its totient is φ = 15921285120.

The previous prime is 47817570803. The next prime is 47817570821. The reversal of 47817570816 is 61807571874.

47817570816 is a `hidden beast` number, since 47 + 8 + 17 + 570 + 8 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4469025 + ... + 4479711.

Almost surely, 2^47817570816 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 47817570816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69079900032).

47817570816 is an abundant number, since it is smaller than the sum of its proper divisors (90342229248).

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

47817570816 is a wasteful number, since it uses less digits than its factorization.

47817570816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11682 (or 11663 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 54.

The spelling of 47817570816 in words is "forty-seven billion, eight hundred seventeen million, five hundred seventy thousand, eight hundred sixteen".