2807684868 has 12 divisors (see below), whose sum is σ = 6551264720. Its totient is φ = 935894952.

The previous prime is 2807684863. The next prime is 2807684899. The reversal of 2807684868 is 8684867082.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2807684863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116986858 + ... + 116986881.

Almost surely, 2^2807684868 is an apocalyptic number.

It is an amenable number.

2807684868 is an abundant number, since it is smaller than the sum of its proper divisors (3743579852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2807684868 is a wasteful number, since it uses less digits than its factorization.

2807684868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233973746 (or 233973744 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 57.

The square root of 2807684868 is about 52987.5916418174. The cubic root of 2807684868 is about 1410.7480342476.

The spelling of 2807684868 in words is "two billion, eight hundred seven million, six hundred eighty-four thousand, eight hundred sixty-eight".