2786986852 has 24 divisors (see below), whose sum is σ = 5254910136. Its totient is φ = 1285686528.

The previous prime is 2786986837. The next prime is 2786986973. The reversal of 2786986852 is 2586896872.

It can be written as a sum of positive squares in 4 ways, for example, as 35354916 + 2751631936 = 5946^2 + 52456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107778 + ... + 131110.

It is an arithmetic number, because the mean of its divisors is an integer number (218954589).

Almost surely, 2^2786986852 is an apocalyptic number.

It is an amenable number.

2786986852 is a deficient number, since it is larger than the sum of its proper divisors (2467923284).

2786986852 is a wasteful number, since it uses less digits than its factorization.

2786986852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25647 (or 25645 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 61.

The square root of 2786986852 is about 52791.9203287776. The cubic root of 2786986852 is about 1407.2728420975.

The spelling of 2786986852 in words is "two billion, seven hundred eighty-six million, nine hundred eighty-six thousand, eight hundred fifty-two".