13323878379 has 32 divisors (see below), whose sum is σ = 22627207680. Its totient is φ = 7590607200.

The previous prime is 13323878371. The next prime is 13323878443. The reversal of 13323878379 is 97387832331.

13323878379 is a `hidden beast` number, since 1 + 33 + 238 + 7 + 8 + 379 = 666.

It is not a de Polignac number, because 13323878379 - 2³ = 13323878371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13323878371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43932 + ... + 169049.

It is an arithmetic number, because the mean of its divisors is an integer number (707100240).

Almost surely, 2^13323878379 is an apocalyptic number.

13323878379 is a deficient number, since it is larger than the sum of its proper divisors (9303329301).

13323878379 is a wasteful number, since it uses less digits than its factorization.

13323878379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213328 (or 213322 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The spelling of 13323878379 in words is "thirteen billion, three hundred twenty-three million, eight hundred seventy-eight thousand, three hundred seventy-nine".