28740806576 has 20 divisors (see below), whose sum is σ = 55787131032. Its totient is φ = 14344127616.

The previous prime is 28740806537. The next prime is 28740806587. The reversal of 28740806576 is 67560804782.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633205 + ... + 1650708.

Almost surely, 2^28740806576 is an apocalyptic number.

It is an amenable number.

28740806576 is a deficient number, since it is larger than the sum of its proper divisors (27046324456).

28740806576 is a wasteful number, since it uses less digits than its factorization.

28740806576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284468 (or 3284462 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 28740806576 in words is "twenty-eight billion, seven hundred forty million, eight hundred six thousand, five hundred seventy-six".