2868787783 has 4 divisors (see below), whose sum is σ = 2869879968. Its totient is φ = 2867695600.

The previous prime is 2868787777. The next prime is 2868787813. The reversal of 2868787783 is 3877878682.

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 2868787783 - 2²⁵ = 2835233351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868787703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542143 + ... + 547408.

It is an arithmetic number, because the mean of its divisors is an integer number (717469992).

Almost surely, 2^2868787783 is an apocalyptic number.

2868787783 is a deficient number, since it is larger than the sum of its proper divisors (1092185).

2868787783 is a wasteful number, since it uses less digits than its factorization.

2868787783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092184.

The product of its digits is 50577408, while the sum is 64.

The square root of 2868787783 is about 53561.0659247928. The cubic root of 2868787783 is about 1420.9085937708.

The spelling of 2868787783 in words is "two billion, eight hundred sixty-eight million, seven hundred eighty-seven thousand, seven hundred eighty-three".