28895460866 has 32 divisors (see below), whose sum is σ = 45264510720. Its totient is φ = 13822848144.

The previous prime is 28895460821. The next prime is 28895460883. The reversal of 28895460866 is 66806459882.

It is a junction number, because it is equal to n+sod(n) for n = 28895460799 and 28895460808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425881 + ... + 1446003.

It is an arithmetic number, because the mean of its divisors is an integer number (1414515960).

Almost surely, 2^28895460866 is an apocalyptic number.

28895460866 is a deficient number, since it is larger than the sum of its proper divisors (16369049854).

28895460866 is a wasteful number, since it uses less digits than its factorization.

28895460866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20510.

The product of its (nonzero) digits is 39813120, while the sum is 62.

The spelling of 28895460866 in words is "twenty-eight billion, eight hundred ninety-five million, four hundred sixty thousand, eight hundred sixty-six".