2868148878 has 64 divisors (see below), whose sum is σ = 6656655360. Its totient is φ = 806918112.

The previous prime is 2868148853. The next prime is 2868148919. The reversal of 2868148878 is 8788418682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1535301 + ... + 1537167.

It is an arithmetic number, because the mean of its divisors is an integer number (104010240).

Almost surely, 2^2868148878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2868148878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3328327680).

2868148878 is an abundant number, since it is smaller than the sum of its proper divisors (3788506482).

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

2868148878 is a wasteful number, since it uses less digits than its factorization.

2868148878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421.

The product of its digits is 11010048, while the sum is 60.

The square root of 2868148878 is about 53555.1013256440. The cubic root of 2868148878 is about 1420.8031028718.

The spelling of 2868148878 in words is "two billion, eight hundred sixty-eight million, one hundred forty-eight thousand, eight hundred seventy-eight".