879952132705 has 4 divisors (see below), whose sum is σ = 1055942559252. Its totient is φ = 703961706160.

The previous prime is 879952132637. The next prime is 879952132711. The reversal of 879952132705 is 507231259978.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 189841461264 + 690110671441 = 435708^2 + 830729^2 .

It is not a de Polignac number, because 879952132705 - 2²¹ = 879950035553 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 879952132705.

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, 87995213266 + ... + 87995213275.

It is an arithmetic number, because the mean of its divisors is an integer number (263985639813).

Almost surely, 2^879952132705 is an apocalyptic number.

It is an amenable number.

879952132705 is a deficient number, since it is larger than the sum of its proper divisors (175990426547).

879952132705 is a wasteful number, since it uses less digits than its factorization.

879952132705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175990426546.

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 879952132705 in words is "eight hundred seventy-nine billion, nine hundred fifty-two million, one hundred thirty-two thousand, seven hundred five".