28861860706 has 16 divisors (see below), whose sum is σ = 49508769024. Its totient is φ = 12361545504.

The previous prime is 28861860691. The next prime is 28861860739. The reversal of 28861860706 is 60706816882.

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, 628995 + ... + 673318.

It is an arithmetic number, because the mean of its divisors is an integer number (3094298064).

Almost surely, 2^28861860706 is an apocalyptic number.

28861860706 is a deficient number, since it is larger than the sum of its proper divisors (20646908318).

28861860706 is a wasteful number, since it uses less digits than its factorization.

28861860706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303905.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 28861860706 in words is "twenty-eight billion, eight hundred sixty-one million, eight hundred sixty thousand, seven hundred six".