2586748866 has 128 divisors (see below), whose sum is σ = 6231375360. Its totient is φ = 707739648.

The previous prime is 2586748789. The next prime is 2586748891. The reversal of 2586748866 is 6688476852.

2586748866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2713846 + ... + 2714798.

It is an arithmetic number, because the mean of its divisors is an integer number (48682620).

Almost surely, 2^2586748866 is an apocalyptic number.

2586748866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2586748866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3115687680).

2586748866 is an abundant number, since it is smaller than the sum of its proper divisors (3644626494).

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

2586748866 is a wasteful number, since it uses less digits than its factorization.

2586748866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its digits is 30965760, while the sum is 60.

The square root of 2586748866 is about 50860.0910931154. The cubic root of 2586748866 is about 1372.7288330832.

The spelling of 2586748866 in words is "two billion, five hundred eighty-six million, seven hundred forty-eight thousand, eight hundred sixty-six".