382878103447 has 4 divisors (see below), whose sum is σ = 437574975376. Its totient is φ = 328181231520.

The previous prime is 382878103397. The next prime is 382878103499. The reversal of 382878103447 is 744301878283.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 382878103447 - 2³⁵ = 348518365079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382878103547) 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 3 ways as a sum of consecutive naturals, for example, 27348435954 + ... + 27348435967.

It is an arithmetic number, because the mean of its divisors is an integer number (109393743844).

Almost surely, 2^382878103447 is an apocalyptic number.

382878103447 is a deficient number, since it is larger than the sum of its proper divisors (54696871929).

382878103447 is an equidigital number, since it uses as much as digits as its factorization.

382878103447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54696871928.

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 382878103447 in words is "three hundred eighty-two billion, eight hundred seventy-eight million, one hundred three thousand, four hundred forty-seven".