28317746252 has 12 divisors (see below), whose sum is σ = 49572858216. Its totient is φ = 14154072480.

The previous prime is 28317746239. The next prime is 28317746263. The reversal of 28317746252 is 25264771382.

It is a junction number, because it is equal to n+sod(n) for n = 28317746197 and 28317746206.

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, 1186874 + ... + 1210497.

It is an arithmetic number, because the mean of its divisors is an integer number (4131071518).

Almost surely, 2^28317746252 is an apocalyptic number.

It is an amenable number.

28317746252 is a deficient number, since it is larger than the sum of its proper divisors (21255111964).

28317746252 is a wasteful number, since it uses less digits than its factorization.

28317746252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400328 (or 2400326 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The spelling of 28317746252 in words is "twenty-eight billion, three hundred seventeen million, seven hundred forty-six thousand, two hundred fifty-two".