380666774 has 4 divisors (see below), whose sum is σ = 571000164. Its totient is φ = 190333386.

The previous prime is 380666747. The next prime is 380666809. The reversal of 380666774 is 477666083.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 95166692 + ... + 95166695.

It is an arithmetic number, because the mean of its divisors is an integer number (142750041).

Almost surely, 2^380666774 is an apocalyptic number.

380666774 is a deficient number, since it is larger than the sum of its proper divisors (190333390).

380666774 is a wasteful number, since it uses less digits than its factorization.

380666774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190333389.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The square root of 380666774 is about 19510.6835861791. The cubic root of 380666774 is about 724.7390413962.

The spelling of 380666774 in words is "three hundred eighty million, six hundred sixty-six thousand, seven hundred seventy-four".