2878581653 has 2 divisors, whose sum is σ = 2878581654. Its totient is φ = 2878581652.

The previous prime is 2878581631. The next prime is 2878581701. The reversal of 2878581653 is 3561858782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2510210404 + 368371249 = 50102^2 + 19193^2 .

It is a cyclic number.

It is not a de Polignac number, because 2878581653 - 2¹⁶ = 2878516117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2878581595 and 2878581604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2878581623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439290826 + 1439290827.

It is an arithmetic number, because the mean of its divisors is an integer number (1439290827).

Almost surely, 2^2878581653 is an apocalyptic number.

It is an amenable number.

2878581653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878581653 is an equidigital number, since it uses as much as digits as its factorization.

2878581653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 53.

The square root of 2878581653 is about 53652.4151646503. The cubic root of 2878581653 is about 1422.5237228447.

The spelling of 2878581653 in words is "two billion, eight hundred seventy-eight million, five hundred eighty-one thousand, six hundred fifty-three".