9878119278 has 16 divisors (see below), whose sum is σ = 19757682000. Its totient is φ = 3292465856.

The previous prime is 9878119271. The next prime is 9878119283. The reversal of 9878119278 is 8729118789.

9878119278 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9878119271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42226 + ... + 146762.

It is an arithmetic number, because the mean of its divisors is an integer number (1234855125).

Almost surely, 2^9878119278 is an apocalyptic number.

9878119278 is an abundant number, since it is smaller than the sum of its proper divisors (9879562722).

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

9878119278 is a wasteful number, since it uses less digits than its factorization.

9878119278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120291.

The product of its digits is 4064256, while the sum is 60.

The square root of 9878119278 is about 99388.7281234648. The cubic root of 9878119278 is about 2145.6460854984.

The spelling of 9878119278 in words is "nine billion, eight hundred seventy-eight million, one hundred nineteen thousand, two hundred seventy-eight".