47866866 has 16 divisors (see below), whose sum is σ = 101365344. Its totient is φ = 15017024.

The previous prime is 47866853. The next prime is 47866867. The reversal of 47866866 is 66866874.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (47866867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234540 + ... + 234743.

It is an arithmetic number, because the mean of its divisors is an integer number (6335334).

Almost surely, 2^47866866 is an apocalyptic number.

47866866 is an abundant number, since it is smaller than the sum of its proper divisors (53498478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47866866 is a wasteful number, since it uses less digits than its factorization.

47866866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469305.

The product of its digits is 2322432, while the sum is 51.

The square root of 47866866 is about 6918.5884398481. The cubic root of 47866866 is about 363.0878066999.

The spelling of 47866866 in words is "forty-seven million, eight hundred sixty-six thousand, eight hundred sixty-six".