47404854891 has 12 divisors (see below), whose sum is σ = 69243047640. Its totient is φ = 31248143520.

The previous prime is 47404854839. The next prime is 47404854919. The reversal of 47404854891 is 19845840474.

47404854891 is a `hidden beast` number, since 4 + 7 + 4 + 0 + 4 + 8 + 548 + 91 = 666.

47404854891 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 47404854891 - 2¹⁵ = 47404822123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47404854491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29590245 + ... + 29591846.

It is an arithmetic number, because the mean of its divisors is an integer number (5770253970).

Almost surely, 2^47404854891 is an apocalyptic number.

47404854891 is a deficient number, since it is larger than the sum of its proper divisors (21838192749).

47404854891 is a wasteful number, since it uses less digits than its factorization.

47404854891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59182186 (or 59182183 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 47404854891 in words is "forty-seven billion, four hundred four million, eight hundred fifty-four thousand, eight hundred ninety-one".