2686879782 has 32 divisors (see below), whose sum is σ = 6026659200. Its totient is φ = 887254344.

The previous prime is 2686879777. The next prime is 2686879787. The reversal of 2686879782 is 2879786862.

It is an interprime number because it is at equal distance from previous prime (2686879777) and next prime (2686879787).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686879787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226732 + ... + 238287.

It is an arithmetic number, because the mean of its divisors is an integer number (188333100).

Almost surely, 2^2686879782 is an apocalyptic number.

2686879782 is an abundant number, since it is smaller than the sum of its proper divisors (3339779418).

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

2686879782 is a wasteful number, since it uses less digits than its factorization.

2686879782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465137 (or 465131 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The square root of 2686879782 is about 51835.1211245812. The cubic root of 2686879782 is about 1390.2174809374.

The spelling of 2686879782 in words is "two billion, six hundred eighty-six million, eight hundred seventy-nine thousand, seven hundred eighty-two".