879948686849978 has 8 divisors (see below), whose sum is σ = 1321758806397120. Its totient is φ = 439362418050940.

The previous prime is 879948686849863. The next prime is 879948686849983.

879948686849978 is nontrivially palindromic in base 10.

879948686849978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305962685228 + ... + 305962688103.

It is an arithmetic number, because the mean of its divisors is an integer number (165219850799640).

Almost surely, 2^{879948686849978} is an apocalyptic number.

879948686849978 is a deficient number, since it is larger than the sum of its proper divisors (441810119547142).

879948686849978 is a wasteful number, since it uses less digits than its factorization.

879948686849978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611925374052.

The product of its digits is 6067901693952, while the sum is 110.

The spelling of 879948686849978 in words is "eight hundred seventy-nine trillion, nine hundred forty-eight billion, six hundred eighty-six million, eight hundred forty-nine thousand, nine hundred seventy-eight".