2878668270 has 96 divisors (see below), whose sum is σ = 7830950400. Its totient is φ = 732295872.

The previous prime is 2878668269. The next prime is 2878668301. The reversal of 2878668270 is 728668782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 865671 + ... + 868989.

It is an arithmetic number, because the mean of its divisors is an integer number (81572400).

Almost surely, 2^2878668270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2878668270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3915475200).

2878668270 is an abundant number, since it is smaller than the sum of its proper divisors (4952282130).

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

2878668270 is a wasteful number, since it uses less digits than its factorization.

2878668270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The square root of 2878668270 is about 53653.2223636195. Note that the first 3 decimals coincide. The cubic root of 2878668270 is about 1422.5379906932.

The spelling of 2878668270 in words is "two billion, eight hundred seventy-eight million, six hundred sixty-eight thousand, two hundred seventy".