879505985768 has 32 divisors (see below), whose sum is σ = 1688112122400. Its totient is φ = 429351091008.

The previous prime is 879505985767. The next prime is 879505985773. The reversal of 879505985768 is 867589505978.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (879505985767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326030 + ... + 1365762.

It is an arithmetic number, because the mean of its divisors is an integer number (52753503825).

Almost surely, 2^879505985768 is an apocalyptic number.

It is an amenable number.

879505985768 is a deficient number, since it is larger than the sum of its proper divisors (808606136632).

879505985768 is a wasteful number, since it uses less digits than its factorization.

879505985768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042241 (or 1042237 counting only the distinct ones).

The product of its (nonzero) digits is 1524096000, while the sum is 77.

The spelling of 879505985768 in words is "eight hundred seventy-nine billion, five hundred five million, nine hundred eighty-five thousand, seven hundred sixty-eight".