2886986686 has 4 divisors (see below), whose sum is σ = 4330480032. Its totient is φ = 1443493342.

The previous prime is 2886986671. The next prime is 2886986719. The reversal of 2886986686 is 6866896882.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 721746670 + ... + 721746673.

It is an arithmetic number, because the mean of its divisors is an integer number (1082620008).

Almost surely, 2^2886986686 is an apocalyptic number.

2886986686 is a deficient number, since it is larger than the sum of its proper divisors (1443493346).

2886986686 is a wasteful number, since it uses less digits than its factorization.

2886986686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443493345.

The product of its digits is 95551488, while the sum is 67.

The square root of 2886986686 is about 53730.6866325008. The cubic root of 2886986686 is about 1423.9068971738.

The spelling of 2886986686 in words is "two billion, eight hundred eighty-six million, nine hundred eighty-six thousand, six hundred eighty-six".