378276551799 has 4 divisors (see below), whose sum is σ = 504368735736. Its totient is φ = 252184367864.

The previous prime is 378276551797. The next prime is 378276551813. The reversal of 378276551799 is 997155672873.

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 378276551799 - 2¹ = 378276551797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378276551797) 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 3 ways as a sum of consecutive naturals, for example, 63046091964 + ... + 63046091969.

It is an arithmetic number, because the mean of its divisors is an integer number (126092183934).

Almost surely, 2^378276551799 is an apocalyptic number.

378276551799 is a deficient number, since it is larger than the sum of its proper divisors (126092183937).

378276551799 is a wasteful number, since it uses less digits than its factorization.

378276551799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126092183936.

The product of its digits is 200037600, while the sum is 69.

The spelling of 378276551799 in words is "three hundred seventy-eight billion, two hundred seventy-six million, five hundred fifty-one thousand, seven hundred ninety-nine".