2878144056 has 32 divisors (see below), whose sum is σ = 7994845200. Its totient is φ = 959381280.

The previous prime is 2878144021. The next prime is 2878144079. The reversal of 2878144056 is 6504418782.

2878144056 is a `hidden beast` number, since 2 + 87 + 81 + 440 + 56 = 666.

It is a super-2 number, since 2×2878144056² = 16567426414176262272, which contains 22 as substring.

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, 6662155 + ... + 6662586.

Almost surely, 2^2878144056 is an apocalyptic number.

It is an amenable number.

2878144056 is an abundant number, since it is smaller than the sum of its proper divisors (5116701144).

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

2878144056 is a wasteful number, since it uses less digits than its factorization.

2878144056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13324756 (or 13324746 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 2878144056 is about 53648.3369360132. The cubic root of 2878144056 is about 1422.4516359937.

The spelling of 2878144056 in words is "two billion, eight hundred seventy-eight million, one hundred forty-four thousand, fifty-six".