380066766 has 64 divisors (see below), whose sum is σ = 854599680. Its totient is φ = 112099680.

The previous prime is 380066741. The next prime is 380066777. The reversal of 380066766 is 667660083.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111061 + ... + 114431.

It is an arithmetic number, because the mean of its divisors is an integer number (13353120).

Almost surely, 2^380066766 is an apocalyptic number.

380066766 is an abundant number, since it is smaller than the sum of its proper divisors (474532914).

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

380066766 is a wasteful number, since it uses less digits than its factorization.

380066766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 380066766 is about 19495.3011261688. The cubic root of 380066766 is about 724.3580626129.

The spelling of 380066766 in words is "three hundred eighty million, sixty-six thousand, seven hundred sixty-six".