8456448428375 has 32 divisors (see below), whose sum is σ = 10564259060160. Its totient is φ = 6758360112000.

The previous prime is 8456448428371. The next prime is 8456448428381. The reversal of 8456448428375 is 5738248446548.

It is a happy number.

It is not a de Polignac number, because 8456448428375 - 2² = 8456448428371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8456448428371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651843389 + ... + 651856361.

It is an arithmetic number, because the mean of its divisors is an integer number (330133095630).

Almost surely, 2^{8456448428375} is an apocalyptic number.

8456448428375 is a deficient number, since it is larger than the sum of its proper divisors (2107810631785).

8456448428375 is a wasteful number, since it uses less digits than its factorization.

8456448428375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17828 (or 17818 counting only the distinct ones).

The product of its digits is 825753600, while the sum is 68.

The spelling of 8456448428375 in words is "eight trillion, four hundred fifty-six billion, four hundred forty-eight million, four hundred twenty-eight thousand, three hundred seventy-five".