2878899863 has 4 divisors (see below), whose sum is σ = 3290171280. Its totient is φ = 2467628448.

The previous prime is 2878899841. The next prime is 2878899913. The reversal of 2878899863 is 3689988782.

2878899863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2878899863 - 2¹⁶ = 2878834327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2878899793 and 2878899802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878899563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205635698 + ... + 205635711.

It is an arithmetic number, because the mean of its divisors is an integer number (822542820).

Almost surely, 2^2878899863 is an apocalyptic number.

2878899863 is a deficient number, since it is larger than the sum of its proper divisors (411271417).

2878899863 is an equidigital number, since it uses as much as digits as its factorization.

2878899863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411271416.

The product of its digits is 83607552, while the sum is 68.

The square root of 2878899863 is about 53655.3805596419. The cubic root of 2878899863 is about 1422.5761380789.

The spelling of 2878899863 in words is "two billion, eight hundred seventy-eight million, eight hundred ninety-nine thousand, eight hundred sixty-three".