383084378317 has 4 divisors (see below), whose sum is σ = 383085739836. Its totient is φ = 383083016800.

The previous prime is 383084378297. The next prime is 383084378353. The reversal of 383084378317 is 713873480383.

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 can be written as a sum of positive squares in 2 ways, for example, as 329405975721 + 53678402596 = 573939^2 + 231686^2 .

It is a cyclic number.

It is not a de Polignac number, because 383084378317 - 2²⁷ = 382950160589 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 (383084328317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84808 + ... + 879409.

It is an arithmetic number, because the mean of its divisors is an integer number (95771434959).

Almost surely, 2^383084378317 is an apocalyptic number.

It is an amenable number.

383084378317 is a deficient number, since it is larger than the sum of its proper divisors (1361519).

383084378317 is an equidigital number, since it uses as much as digits as its factorization.

383084378317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361518.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 383084378317 in words is "three hundred eighty-three billion, eighty-four million, three hundred seventy-eight thousand, three hundred seventeen".