3779887866 has 8 divisors (see below), whose sum is σ = 7559775744. Its totient is φ = 1259962620.

The previous prime is 3779887861. The next prime is 3779887889. The reversal of 3779887866 is 6687889773.

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

3779887866 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3779887866.

It is not an unprimeable number, because it can be changed into a prime (3779887861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314990650 + ... + 314990661.

It is an arithmetic number, because the mean of its divisors is an integer number (944971968).

Almost surely, 2^3779887866 is an apocalyptic number.

3779887866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3779887866 is a wasteful number, since it uses less digits than its factorization.

3779887866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629981316.

The product of its digits is 170698752, while the sum is 69.

The square root of 3779887866 is about 61480.7926591712. The cubic root of 3779887866 is about 1557.7328268280.

The spelling of 3779887866 in words is "three billion, seven hundred seventy-nine million, eight hundred eighty-seven thousand, eight hundred sixty-six".