2878724286 has 48 divisors (see below), whose sum is σ = 6473598768. Its totient is φ = 958780800.

The previous prime is 2878724279. The next prime is 2878724369. The reversal of 2878724286 is 6824278782.

2878724286 is a `hidden beast` number, since 287 + 87 + 2 + 4 + 286 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1048876 + ... + 1051616.

It is an arithmetic number, because the mean of its divisors is an integer number (134866641).

Almost surely, 2^2878724286 is an apocalyptic number.

2878724286 is an abundant number, since it is smaller than the sum of its proper divisors (3594874482).

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

2878724286 is a wasteful number, since it uses less digits than its factorization.

2878724286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919 (or 4907 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 54.

The square root of 2878724286 is about 53653.7443800524. The cubic root of 2878724286 is about 1422.5472176880.

The spelling of 2878724286 in words is "two billion, eight hundred seventy-eight million, seven hundred twenty-four thousand, two hundred eighty-six".