2878869393 has 12 divisors (see below), whose sum is σ = 4255073680. Its totient is φ = 1874612376.

The previous prime is 2878869373. The next prime is 2878869431. The reversal of 2878869393 is 3939688782.

It is not a de Polignac number, because 2878869393 - 2⁵ = 2878869361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2878869393.

It is not an unprimeable number, because it can be changed into a prime (2878869373) 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, 3719083 + ... + 3719856.

Almost surely, 2^2878869393 is an apocalyptic number.

It is an amenable number.

2878869393 is a deficient number, since it is larger than the sum of its proper divisors (1376204287).

2878869393 is a wasteful number, since it uses less digits than its factorization.

2878869393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438988 (or 7438985 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The square root of 2878869393 is about 53655.0966171901. The cubic root of 2878869393 is about 1422.5711192581.

The spelling of 2878869393 in words is "two billion, eight hundred seventy-eight million, eight hundred sixty-nine thousand, three hundred ninety-three".