380997759 has 16 divisors (see below), whose sum is σ = 520515072. Its totient is φ = 247755648.

The previous prime is 380997739. The next prime is 380997779. The reversal of 380997759 is 957799083.

It is an interprime number because it is at equal distance from previous prime (380997739) and next prime (380997779).

It is not a de Polignac number, because 380997759 - 2²³ = 372609151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380997699 and 380997708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380997739) 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 15 ways as a sum of consecutive naturals, for example, 124522 + ... + 127544.

It is an arithmetic number, because the mean of its divisors is an integer number (32532192).

Almost surely, 2^380997759 is an apocalyptic number.

380997759 is a deficient number, since it is larger than the sum of its proper divisors (139517313).

380997759 is a wasteful number, since it uses less digits than its factorization.

380997759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046.

The product of its (nonzero) digits is 4286520, while the sum is 57.

The square root of 380997759 is about 19519.1638909048. The cubic root of 380997759 is about 724.9490310582.

The spelling of 380997759 in words is "three hundred eighty million, nine hundred ninety-seven thousand, seven hundred fifty-nine".