2687886711 has 24 divisors (see below), whose sum is σ = 4117449024. Its totient is φ = 1683824640.

The previous prime is 2687886667. The next prime is 2687886727. The reversal of 2687886711 is 1176887862.

It is a happy number.

It is not a de Polignac number, because 2687886711 - 2⁶ = 2687886647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687886731) 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 23 ways as a sum of consecutive naturals, for example, 84370 + ... + 111776.

It is an arithmetic number, because the mean of its divisors is an integer number (171560376).

Almost surely, 2^2687886711 is an apocalyptic number.

2687886711 is a deficient number, since it is larger than the sum of its proper divisors (1429562313).

2687886711 is a wasteful number, since it uses less digits than its factorization.

2687886711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28071 (or 28068 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The square root of 2687886711 is about 51844.8330212375. The cubic root of 2687886711 is about 1390.3911241691.

The spelling of 2687886711 in words is "two billion, six hundred eighty-seven million, eight hundred eighty-six thousand, seven hundred eleven".