879357216446 has 8 divisors (see below), whose sum is σ = 1319553304200. Its totient is φ = 439506115048.

The previous prime is 879357216431. The next prime is 879357216457. The reversal of 879357216446 is 644612753978.

It is a happy number.

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

It is a super-2 number, since 2×879357216446² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86240216 + ... + 86250411.

It is an arithmetic number, because the mean of its divisors is an integer number (164944163025).

Almost surely, 2^879357216446 is an apocalyptic number.

879357216446 is a deficient number, since it is larger than the sum of its proper divisors (440196087754).

879357216446 is a wasteful number, since it uses less digits than its factorization.

879357216446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172493178.

The product of its digits is 60963840, while the sum is 62.

The spelling of 879357216446 in words is "eight hundred seventy-nine billion, three hundred fifty-seven million, two hundred sixteen thousand, four hundred forty-six".