380765559 has 16 divisors (see below), whose sum is σ = 524556032. Its totient is φ = 245524608.

The previous prime is 380765551. The next prime is 380765573. The reversal of 380765559 is 955567083.

It is not a de Polignac number, because 380765559 - 2³ = 380765551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380765551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042 + ... + 27615.

It is an arithmetic number, because the mean of its divisors is an integer number (32784752).

Almost surely, 2^380765559 is an apocalyptic number.

380765559 is a deficient number, since it is larger than the sum of its proper divisors (143790473).

380765559 is a wasteful number, since it uses less digits than its factorization.

380765559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28806.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The square root of 380765559 is about 19513.2149836976. The cubic root of 380765559 is about 724.8017271527.

The spelling of 380765559 in words is "three hundred eighty million, seven hundred sixty-five thousand, five hundred fifty-nine".