47486666 has 8 divisors (see below), whose sum is σ = 71750340. Its totient is φ = 23569888.

The previous prime is 47486657. The next prime is 47486683. The reversal of 47486666 is 66668474.

47486666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 46444225 + 1042441 = 6815^2 + 1021^2 .

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

47486666 is a modest number, since divided by 6666 gives 4748 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 47486666.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 86381 + ... + 86928.

Almost surely, 2^47486666 is an apocalyptic number.

47486666 is a deficient number, since it is larger than the sum of its proper divisors (24263674).

47486666 is a wasteful number, since it uses less digits than its factorization.

47486666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173448.

The product of its digits is 1161216, while the sum is 47.

The square root of 47486666 is about 6891.0569581161. The cubic root of 47486666 is about 362.1239311943.

The spelling of 47486666 in words is "forty-seven million, four hundred eighty-six thousand, six hundred sixty-six".