9879368545 has 8 divisors (see below), whose sum is σ = 11870907624. Its totient is φ = 7893051264.

The previous prime is 9879368531. The next prime is 9879368561. The reversal of 9879368545 is 5458639789.

9879368545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 316875601 + 9562492944 = 17801^2 + 97788^2 .

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

It is not a de Polignac number, because 9879368545 - 2¹⁵ = 9879335777 is a prime.

It is a Duffinian number.

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, 1301284 + ... + 1308853.

It is an arithmetic number, because the mean of its divisors is an integer number (1483863453).

Almost surely, 2^9879368545 is an apocalyptic number.

It is an amenable number.

9879368545 is a deficient number, since it is larger than the sum of its proper divisors (1991539079).

9879368545 is a wasteful number, since it uses less digits than its factorization.

9879368545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610899.

The product of its digits is 65318400, while the sum is 64.

The square root of 9879368545 is about 99395.0126766932. The cubic root of 9879368545 is about 2145.7365336152.

The spelling of 9879368545 in words is "nine billion, eight hundred seventy-nine million, three hundred sixty-eight thousand, five hundred forty-five".