2587068660 has 96 divisors (see below), whose sum is σ = 7916372352. Its totient is φ = 626053120.

The previous prime is 2587068593. The next prime is 2587068661. The reversal of 2587068660 is 668607852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587068661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404044 + ... + 410396.

It is an arithmetic number, because the mean of its divisors is an integer number (82462212).

Almost surely, 2^2587068660 is an apocalyptic number.

2587068660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2587068660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3958186176).

2587068660 is an abundant number, since it is smaller than the sum of its proper divisors (5329303692).

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

2587068660 is a wasteful number, since it uses less digits than its factorization.

2587068660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993 (or 6991 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 2587068660 is about 50863.2348558367. The cubic root of 2587068660 is about 1372.7853998881.

The spelling of 2587068660 in words is "two billion, five hundred eighty-seven million, sixty-eight thousand, six hundred sixty".