378699444996873 has 144 divisors (see below), whose sum is σ = 695838227071680. Its totient is φ = 181449763165440.

The previous prime is 378699444996853. The next prime is 378699444996907.

378699444996873 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 378699444996873 - 2¹⁸ = 378699444734729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378699444996853) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 290469411 + ... + 291770247.

It is an arithmetic number, because the mean of its divisors is an integer number (4832209910220).

Almost surely, 2^{378699444996873} is an apocalyptic number.

378699444996873 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

378699444996873 is a deficient number, since it is larger than the sum of its proper divisors (317138782074807).

378699444996873 is a wasteful number, since it uses less digits than its factorization.

378699444996873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302148 (or 1302130 counting only the distinct ones).

The product of its digits is 426649337856, while the sum is 96.

The spelling of 378699444996873 in words is "three hundred seventy-eight trillion, six hundred ninety-nine billion, four hundred forty-four million, nine hundred ninety-six thousand, eight hundred seventy-three".