385561780339 has 8 divisors (see below), whose sum is σ = 405860312000. Its totient is φ = 365263829352.

The previous prime is 385561780337. The next prime is 385561780343. The reversal of 385561780339 is 933087165583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385561780339 - 2¹ = 385561780337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385561780337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141392 + ... + 2314450.

It is an arithmetic number, because the mean of its divisors is an integer number (50732539000).

Almost surely, 2^385561780339 is an apocalyptic number.

385561780339 is a deficient number, since it is larger than the sum of its proper divisors (20298531661).

385561780339 is a wasteful number, since it uses less digits than its factorization.

385561780339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290337.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 385561780339 in words is "three hundred eighty-five billion, five hundred sixty-one million, seven hundred eighty thousand, three hundred thirty-nine".