2788700878 has 8 divisors (see below), whose sum is σ = 4296106872. Its totient is φ = 1356665256.

The previous prime is 2788700861. The next prime is 2788700879. The reversal of 2788700878 is 8780078872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788700879) 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, 18842500 + ... + 18842647.

It is an arithmetic number, because the mean of its divisors is an integer number (537013359).

Almost surely, 2^2788700878 is an apocalyptic number.

2788700878 is a deficient number, since it is larger than the sum of its proper divisors (1507405994).

2788700878 is a wasteful number, since it uses less digits than its factorization.

2788700878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37685186.

The product of its (nonzero) digits is 2809856, while the sum is 55.

The square root of 2788700878 is about 52808.1516245361. The cubic root of 2788700878 is about 1407.5612788033.

The spelling of 2788700878 in words is "two billion, seven hundred eighty-eight million, seven hundred thousand, eight hundred seventy-eight".