47271878019 has 32 divisors (see below), whose sum is σ = 74255616000. Its totient is φ = 29619326592.

The previous prime is 47271877987. The next prime is 47271878047. The reversal of 47271878019 is 91087817274.

47271878019 is a `hidden beast` number, since 472 + 7 + 1 + 87 + 80 + 19 = 666.

47271878019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47271878019 - 2⁵ = 47271877987 is a prime.

It is a super-2 number, since 2×47271878019² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47271878089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258402 + ... + 401640.

It is an arithmetic number, because the mean of its divisors is an integer number (2320488000).

Almost surely, 2^47271878019 is an apocalyptic number.

47271878019 is a deficient number, since it is larger than the sum of its proper divisors (26983737981).

47271878019 is a wasteful number, since it uses less digits than its factorization.

47271878019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143984 (or 143978 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 54.

The spelling of 47271878019 in words is "forty-seven billion, two hundred seventy-one million, eight hundred seventy-eight thousand, nineteen".