879421950625 has 15 divisors (see below), whose sum is σ = 1098954966373. Its totient is φ = 703518805000.

The previous prime is 879421950619. The next prime is 879421950731. The reversal of 879421950625 is 526059124978.

It is a happy number.

The square root of 879421950625 is 937775.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 68946680929 + 810475269696 = 262577^2 + 900264^2 .

It is not a de Polignac number, because 879421950625 - 2⁷ = 879421950497 is a prime.

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 879421950625.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 23425620 + ... + 23463130.

Almost surely, 2^879421950625 is an apocalyptic number.

879421950625 is the 937775-th square number.

879421950625 is the 468888-th centered octagonal number.

It is an amenable number.

879421950625 is a deficient number, since it is larger than the sum of its proper divisors (219533015748).

879421950625 is an frugal number, since it uses more digits than its factorization.

879421950625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75042 (or 37516 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 879421950625 in words is "eight hundred seventy-nine billion, four hundred twenty-one million, nine hundred fifty thousand, six hundred twenty-five".