44778866 has 8 divisors (see below), whose sum is σ = 73274544. Its totient is φ = 20354020.

The previous prime is 44778809. The next prime is 44778887. The reversal of 44778866 is 66887744.

44778866 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 zygodrome in base 10.

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, 1017680 + ... + 1017723.

It is an arithmetic number, because the mean of its divisors is an integer number (9159318).

Almost surely, 2^44778866 is an apocalyptic number.

44778866 is a deficient number, since it is larger than the sum of its proper divisors (28495678).

44778866 is a wasteful number, since it uses less digits than its factorization.

44778866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035416.

The product of its digits is 1806336, while the sum is 50.

The square root of 44778866 is about 6691.7012784493. The cubic root of 44778866 is about 355.1057438081.

Adding to 44778866 its sum of digits (50), we get a triangular number (44778916 = T₉₄₆₃).

The spelling of 44778866 in words is "forty-four million, seven hundred seventy-eight thousand, eight hundred sixty-six".