2686118287 has 8 divisors (see below), whose sum is σ = 2774679552. Its totient is φ = 2597676600.

The previous prime is 2686118261. The next prime is 2686118317. The reversal of 2686118287 is 7828116862.

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

It is a cyclic number.

It is not a de Polignac number, because 2686118287 - 2⁷ = 2686118159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2686118287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686118087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16962 + ... + 75232.

It is an arithmetic number, because the mean of its divisors is an integer number (346834944).

Almost surely, 2^2686118287 is an apocalyptic number.

2686118287 is a deficient number, since it is larger than the sum of its proper divisors (88561265).

2686118287 is a wasteful number, since it uses less digits than its factorization.

2686118287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59789.

The product of its digits is 516096, while the sum is 49.

The square root of 2686118287 is about 51827.7752464834. The cubic root of 2686118287 is about 1390.0861335787.

The spelling of 2686118287 in words is "two billion, six hundred eighty-six million, one hundred eighteen thousand, two hundred eighty-seven".