879676438418 has 6 divisors (see below), whose sum is σ = 1319516647239. Its totient is φ = 439837556006.

The previous prime is 879676438411. The next prime is 879676438451. The reversal of 879676438418 is 814834676978.

879676438418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 439838219209 + 439838219209 = 663203^2 + 663203^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=663203.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (879676438411) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 994805 + ... + 1658007.

Almost surely, 2^879676438418 is an apocalyptic number.

879676438418 is a deficient number, since it is larger than the sum of its proper divisors (439840208821).

879676438418 is an frugal number, since it uses more digits than its factorization.

879676438418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326408 (or 663205 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 71.

The spelling of 879676438418 in words is "eight hundred seventy-nine billion, six hundred seventy-six million, four hundred thirty-eight thousand, four hundred eighteen".