2861881682 has 16 divisors (see below), whose sum is σ = 4703186592. Its totient is φ = 1295269920.

The previous prime is 2861881667. The next prime is 2861881691.

It is a happy number.

2861881682 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2861881682.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274028 + ... + 284279.

It is an arithmetic number, because the mean of its divisors is an integer number (293949162).

Almost surely, 2^2861881682 is an apocalyptic number.

2861881682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2861881682 is a deficient number, since it is larger than the sum of its proper divisors (1841304910).

2861881682 is a wasteful number, since it uses less digits than its factorization.

2861881682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558553.

The product of its digits is 589824, while the sum is 50.

The square root of 2861881682 is about 53496.5576649563. The cubic root of 2861881682 is about 1419.7674819310.

The spelling of 2861881682 in words is "two billion, eight hundred sixty-one million, eight hundred eighty-one thousand, six hundred eighty-two".