2076861686 has 8 divisors (see below), whose sum is σ = 3139073784. Its totient is φ = 1030503760.

The previous prime is 2076861649. The next prime is 2076861707. The reversal of 2076861686 is 6861686702.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3963215 + ... + 3963738.

It is an arithmetic number, because the mean of its divisors is an integer number (392384223).

Almost surely, 2^2076861686 is an apocalyptic number.

2076861686 is a deficient number, since it is larger than the sum of its proper divisors (1062212098).

2076861686 is a wasteful number, since it uses less digits than its factorization.

2076861686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927086.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 2076861686 is about 45572.5979729047. The cubic root of 2076861686 is about 1275.8585397403.

The spelling of 2076861686 in words is "two billion, seventy-six million, eight hundred sixty-one thousand, six hundred eighty-six".