9879366025 has 27 divisors (see below), whose sum is σ = 12434932629. Its totient is φ = 7786206720.

The previous prime is 9879365957. The next prime is 9879366083. The reversal of 9879366025 is 5206639789.

The square root of 9879366025 is 99395.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1588899321 + 8290466704 = 39861^2 + 91052^2 .

It is not a de Polignac number, because 9879366025 - 2⁷ = 9879365897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 51188329 + ... + 51188521.

Almost surely, 2^9879366025 is an apocalyptic number.

9879366025 is the 99395-th square number.

9879366025 is the 49698-th centered octagonal number.

It is an amenable number.

9879366025 is a deficient number, since it is larger than the sum of its proper divisors (2555566604).

9879366025 is an equidigital number, since it uses as much as digits as its factorization.

9879366025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 55.

The cubic root of 9879366025 is about 2145.7363511725.

The spelling of 9879366025 in words is "nine billion, eight hundred seventy-nine million, three hundred sixty-six thousand, twenty-five".