47004857 has 4 divisors (see below), whose sum is σ = 47040756. Its totient is φ = 46968960.

The previous prime is 47004827. The next prime is 47004869. The reversal of 47004857 is 75840074.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7929856 + 39075001 = 2816^2 + 6251^2 .

It is a cyclic number.

It is not a de Polignac number, because 47004857 - 2¹² = 47000761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47004827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15908 + ... + 18629.

It is an arithmetic number, because the mean of its divisors is an integer number (11760189).

Almost surely, 2^47004857 is an apocalyptic number.

It is an amenable number.

47004857 is a deficient number, since it is larger than the sum of its proper divisors (35899).

47004857 is a wasteful number, since it uses less digits than its factorization.

47004857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35898.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 47004857 is about 6856.0088243817. The cubic root of 47004857 is about 360.8950388398.

The spelling of 47004857 in words is "forty-seven million, four thousand, eight hundred fifty-seven".