879533397819 has 12 divisors (see below), whose sum is σ = 1276458161992. Its totient is φ = 583576660800.

The previous prime is 879533397817. The next prime is 879533397871. The reversal of 879533397819 is 918793335978.

879533397819 is a `hidden beast` number, since 8 + 7 + 9 + 533 + 3 + 9 + 7 + 81 + 9 = 666.

879533397819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 879533397819 - 2¹ = 879533397817 is a prime.

It is a super-4 number, since 4×879533397819⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879533397811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231576142 + ... + 231579939.

Almost surely, 2^879533397819 is an apocalyptic number.

879533397819 is a deficient number, since it is larger than the sum of its proper divisors (396924764173).

879533397819 is a wasteful number, since it uses less digits than its factorization.

879533397819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463156298 (or 463156295 counting only the distinct ones).

The product of its digits is 308629440, while the sum is 72.

The spelling of 879533397819 in words is "eight hundred seventy-nine billion, five hundred thirty-three million, three hundred ninety-seven thousand, eight hundred nineteen".