8456448428377 has 8 divisors (see below), whose sum is σ = 8845180061760. Its totient is φ = 8069471791920.

The previous prime is 8456448428371. The next prime is 8456448428381. The reversal of 8456448428377 is 7738248446548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8456448428377 - 2¹¹ = 8456448426329 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 438739374 + ... + 438758647.

It is an arithmetic number, because the mean of its divisors is an integer number (1105647507720).

Almost surely, 2^{8456448428377} is an apocalyptic number.

It is an amenable number.

8456448428377 is a deficient number, since it is larger than the sum of its proper divisors (388731633383).

8456448428377 is a wasteful number, since it uses less digits than its factorization.

8456448428377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877498463.

The product of its digits is 1156055040, while the sum is 70.

The spelling of 8456448428377 in words is "eight trillion, four hundred fifty-six billion, four hundred forty-eight million, four hundred twenty-eight thousand, three hundred seventy-seven".