47841857894 has 8 divisors (see below), whose sum is σ = 74882908080. Its totient is φ = 22880888536.

The previous prime is 47841857887. The next prime is 47841857911. The reversal of 47841857894 is 49875814874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47841857894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520020149 + ... + 520020240.

It is an arithmetic number, because the mean of its divisors is an integer number (9360363510).

Almost surely, 2^47841857894 is an apocalyptic number.

47841857894 is a deficient number, since it is larger than the sum of its proper divisors (27041050186).

47841857894 is a wasteful number, since it uses less digits than its factorization.

47841857894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040040414.

The product of its digits is 72253440, while the sum is 65.

The spelling of 47841857894 in words is "forty-seven billion, eight hundred forty-one million, eight hundred fifty-seven thousand, eight hundred ninety-four".