2788874879 has 4 divisors (see below), whose sum is σ = 3187285584. Its totient is φ = 2390464176.

The previous prime is 2788874863. The next prime is 2788874903. The reversal of 2788874879 is 9784788872.

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 2788874879 - 2⁴ = 2788874863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788844879) 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, 199205342 + ... + 199205355.

It is an arithmetic number, because the mean of its divisors is an integer number (796821396).

Almost surely, 2^2788874879 is an apocalyptic number.

2788874879 is a deficient number, since it is larger than the sum of its proper divisors (398410705).

2788874879 is an equidigital number, since it uses as much as digits as its factorization.

2788874879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398410704.

The product of its digits is 101154816, while the sum is 68.

The square root of 2788874879 is about 52809.7990812311. The cubic root of 2788874879 is about 1407.5905531246.

The spelling of 2788874879 in words is "two billion, seven hundred eighty-eight million, eight hundred seventy-four thousand, eight hundred seventy-nine".