12381777359 has 8 divisors (see below), whose sum is σ = 14174152608. Its totient is φ = 10595289600.

The previous prime is 12381777313. The next prime is 12381777407. The reversal of 12381777359 is 95377718321.

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

It is not a de Polignac number, because 12381777359 - 2⁸ = 12381777103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12381777359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12381777659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1467362 + ... + 1475775.

It is an arithmetic number, because the mean of its divisors is an integer number (1771769076).

Almost surely, 2^12381777359 is an apocalyptic number.

12381777359 is a deficient number, since it is larger than the sum of its proper divisors (1792375249).

12381777359 is an equidigital number, since it uses as much as digits as its factorization.

12381777359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943745.

The product of its digits is 2222640, while the sum is 53.

The spelling of 12381777359 in words is "twelve billion, three hundred eighty-one million, seven hundred seventy-seven thousand, three hundred fifty-nine".