47667856 has 20 divisors (see below), whose sum is σ = 92468412. Its totient is φ = 23805056.

The previous prime is 47667817. The next prime is 47667857. The reversal of 47667856 is 65876674.

47667856 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 23814400 + 23853456 = 4880^2 + 4884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47667857) 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 3 ways as a sum of consecutive naturals, for example, 19266 + ... + 21598.

Almost surely, 2^47667856 is an apocalyptic number.

It is an amenable number.

47667856 is a deficient number, since it is larger than the sum of its proper divisors (44800556).

47667856 is a wasteful number, since it uses less digits than its factorization.

47667856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618 (or 3612 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 47667856 is about 6904.1911908637. The cubic root of 47667856 is about 362.5839196910.

The spelling of 47667856 in words is "forty-seven million, six hundred sixty-seven thousand, eight hundred fifty-six".