878222065142 has 8 divisors (see below), whose sum is σ = 1317381368376. Its totient is φ = 439094942352.

The previous prime is 878222065033. The next prime is 878222065157. The reversal of 878222065142 is 241560222878.

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

It is a congruent number.

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, 7976768 + ... + 8086115.

It is an arithmetic number, because the mean of its divisors is an integer number (164672671047).

Almost surely, 2^878222065142 is an apocalyptic number.

878222065142 is a deficient number, since it is larger than the sum of its proper divisors (439159303234).

878222065142 is a wasteful number, since it uses less digits than its factorization.

878222065142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16090222.

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 878222065142 in words is "eight hundred seventy-eight billion, two hundred twenty-two million, sixty-five thousand, one hundred forty-two".