2686797582 has 128 divisors (see below), whose sum is σ = 6510440448. Its totient is φ = 723340800.

The previous prime is 2686797577. The next prime is 2686797611. The reversal of 2686797582 is 2857976862.

It is a congruent 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, 6381732 + ... + 6382152.

It is an arithmetic number, because the mean of its divisors is an integer number (50862816).

Almost surely, 2^2686797582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686797582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255220224).

2686797582 is an abundant number, since it is smaller than the sum of its proper divisors (3823642866).

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

2686797582 is a wasteful number, since it uses less digits than its factorization.

2686797582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its digits is 20321280, while the sum is 60.

The square root of 2686797582 is about 51834.3282198197. The cubic root of 2686797582 is about 1390.2033037689.

The spelling of 2686797582 in words is "two billion, six hundred eighty-six million, seven hundred ninety-seven thousand, five hundred eighty-two".