879111101111978 has 32 divisors (see below), whose sum is σ = 1508014478039040. Its totient is φ = 376520192581680.

The previous prime is 879111101111963. The next prime is 879111101111993.

879111101111978 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (879111101111963) and next prime (879111101111993).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 995570723 + ... + 996453353.

It is an arithmetic number, because the mean of its divisors is an integer number (47125452438720).

Almost surely, 2^{879111101111978} is an apocalyptic number.

879111101111978 is a deficient number, since it is larger than the sum of its proper divisors (628903376927062).

879111101111978 is a wasteful number, since it uses less digits than its factorization.

879111101111978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928202.

The product of its (nonzero) digits is 254016, while the sum is 56.

The spelling of 879111101111978 in words is "eight hundred seventy-nine trillion, one hundred eleven billion, one hundred one million, one hundred eleven thousand, nine hundred seventy-eight".