380820707 has 4 divisors (see below), whose sum is σ = 380864376. Its totient is φ = 380777040.

The previous prime is 380820703. The next prime is 380820719. The reversal of 380820707 is 707028083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 380820707 - 2² = 380820703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380820701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3773 + ... + 27854.

It is an arithmetic number, because the mean of its divisors is an integer number (95216094).

Almost surely, 2^380820707 is an apocalyptic number.

380820707 is a deficient number, since it is larger than the sum of its proper divisors (43669).

380820707 is a wasteful number, since it uses less digits than its factorization.

380820707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43668.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 380820707 is about 19514.6280261756. The cubic root of 380820707 is about 724.8367175688.

The spelling of 380820707 in words is "three hundred eighty million, eight hundred twenty thousand, seven hundred seven".