47486857 has 8 divisors (see below), whose sum is σ = 51873120. Its totient is φ = 43112160.

The previous prime is 47486843. The next prime is 47486893. The reversal of 47486857 is 75868474.

It is a happy number.

47486857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47486857 - 2¹¹ = 47484809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47486857.

It is not an unprimeable number, because it can be changed into a prime (47486827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7269 + ... + 12157.

It is an arithmetic number, because the mean of its divisors is an integer number (6484140).

Almost surely, 2^47486857 is an apocalyptic number.

It is an amenable number.

47486857 is a deficient number, since it is larger than the sum of its proper divisors (4386263).

47486857 is a wasteful number, since it uses less digits than its factorization.

47486857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783.

The product of its digits is 1505280, while the sum is 49.

The square root of 47486857 is about 6891.0708166438. The cubic root of 47486857 is about 362.1244167031.

The spelling of 47486857 in words is "forty-seven million, four hundred eighty-six thousand, eight hundred fifty-seven".