2878064441 has 12 divisors (see below), whose sum is σ = 3349996020. Its totient is φ = 2465406720.

The previous prime is 2878064417. The next prime is 2878064477. The reversal of 2878064441 is 1444608782.

It can be written as a sum of positive squares in 2 ways, for example, as 1188525625 + 1689538816 = 34475^2 + 41104^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2878064441 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2878064392 and 2878064401.

It is not an unprimeable number, because it can be changed into a prime (2878064401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67265 + ... + 101393.

It is an arithmetic number, because the mean of its divisors is an integer number (279166335).

Almost surely, 2^2878064441 is an apocalyptic number.

It is an amenable number.

2878064441 is a deficient number, since it is larger than the sum of its proper divisors (471931579).

2878064441 is a wasteful number, since it uses less digits than its factorization.

2878064441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35864 (or 35857 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The square root of 2878064441 is about 53647.5949227922. The cubic root of 2878064441 is about 1422.4385199568.

The spelling of 2878064441 in words is "two billion, eight hundred seventy-eight million, sixty-four thousand, four hundred forty-one".