2687125068 has 36 divisors (see below), whose sum is σ = 6799851240. Its totient is φ = 894733056.

The previous prime is 2687125061. The next prime is 2687125127. The reversal of 2687125068 is 8605217862.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2687125068² = 14441282262148009248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2687125061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6730 + ... + 73617.

Almost surely, 2^2687125068 is an apocalyptic number.

It is an amenable number.

2687125068 is an abundant number, since it is smaller than the sum of its proper divisors (4112726172).

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

2687125068 is a wasteful number, since it uses less digits than its factorization.

2687125068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81286 (or 81281 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 2687125068 is about 51837.4870918720. The cubic root of 2687125068 is about 1390.2597840965.

The spelling of 2687125068 in words is "two billion, six hundred eighty-seven million, one hundred twenty-five thousand, sixty-eight".