2861728876 has 6 divisors (see below), whose sum is σ = 5008025540. Its totient is φ = 1430864436.

The previous prime is 2861728829. The next prime is 2861728907. The reversal of 2861728876 is 6788271682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357716106 + ... + 357716113.

Almost surely, 2^2861728876 is an apocalyptic number.

It is an amenable number.

2861728876 is a deficient number, since it is larger than the sum of its proper divisors (2146296664).

2861728876 is a wasteful number, since it uses less digits than its factorization.

2861728876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715432223 (or 715432221 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 55.

The square root of 2861728876 is about 53495.1294605406. The cubic root of 2861728876 is about 1419.7422126764.

The spelling of 2861728876 in words is "two billion, eight hundred sixty-one million, seven hundred twenty-eight thousand, eight hundred seventy-six".