28313085616 has 20 divisors (see below), whose sum is σ = 54862352424. Its totient is φ = 14155059200.

The previous prime is 28313085587. The next prime is 28313085643. The reversal of 28313085616 is 61658031382.

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, 73776 + ... + 249136.

Almost surely, 2^28313085616 is an apocalyptic number.

It is an amenable number.

28313085616 is a deficient number, since it is larger than the sum of its proper divisors (26549266808).

28313085616 is a wasteful number, since it uses less digits than its factorization.

28313085616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185460 (or 185454 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 28313085616 in words is "twenty-eight billion, three hundred thirteen million, eighty-five thousand, six hundred sixteen".