8371534778379 has 24 divisors (see below), whose sum is σ = 12618161730720. Its totient is φ = 5338286967552.

The previous prime is 8371534778329. The next prime is 8371534778393. The reversal of 8371534778379 is 9738774351738.

8371534778379 is a `hidden beast` number, since 8 + 3 + 7 + 1 + 5 + 3 + 477 + 83 + 79 = 666.

It is not a de Polignac number, because 8371534778379 - 2¹² = 8371534774283 is a prime.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8371534778309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14768437 + ... + 15324809.

It is an arithmetic number, because the mean of its divisors is an integer number (525756738780).

Almost surely, 2^{8371534778379} is an apocalyptic number.

8371534778379 is a deficient number, since it is larger than the sum of its proper divisors (4246626952341).

8371534778379 is a wasteful number, since it uses less digits than its factorization.

8371534778379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629091 (or 629088 counting only the distinct ones).

The product of its digits is 746807040, while the sum is 72.

The spelling of 8371534778379 in words is "eight trillion, three hundred seventy-one billion, five hundred thirty-four million, seven hundred seventy-eight thousand, three hundred seventy-nine".