9879586278 has 16 divisors (see below), whose sum is σ = 20921477040. Its totient is φ = 3099478016.

The previous prime is 9879586177. The next prime is 9879586307. The reversal of 9879586278 is 8726859789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48429243 + ... + 48429446.

It is an arithmetic number, because the mean of its divisors is an integer number (1307592315).

Almost surely, 2^9879586278 is an apocalyptic number.

9879586278 is an abundant number, since it is smaller than the sum of its proper divisors (11041890762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9879586278 is a wasteful number, since it uses less digits than its factorization.

9879586278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96858711.

The product of its digits is 121927680, while the sum is 69.

The square root of 9879586278 is about 99396.1079620324. The cubic root of 9879586278 is about 2145.7522969108.

The spelling of 9879586278 in words is "nine billion, eight hundred seventy-nine million, five hundred eighty-six thousand, two hundred seventy-eight".