879402645505 has 8 divisors (see below), whose sum is σ = 1055536934400. Its totient is φ = 703352943216.

The previous prime is 879402645493. The next prime is 879402645523. The reversal of 879402645505 is 505546204978.

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

It is a cyclic number.

It is not a de Polignac number, because 879402645505 - 2⁹ = 879402644993 is a prime.

It is an unprimeable number.

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, 21123775 + ... + 21165364.

It is an arithmetic number, because the mean of its divisors is an integer number (131942116800).

Almost surely, 2^879402645505 is an apocalyptic number.

It is an amenable number.

879402645505 is a deficient number, since it is larger than the sum of its proper divisors (176134288895).

879402645505 is a wasteful number, since it uses less digits than its factorization.

879402645505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42293303.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 879402645505 in words is "eight hundred seventy-nine billion, four hundred two million, six hundred forty-five thousand, five hundred five".