8465780875648 has 64 divisors (see below), whose sum is σ = 17665618924800. Its totient is φ = 4033456480768.

The previous prime is 8465780875619. The next prime is 8465780875679.

8465780875648 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4692658 + ... + 6241201.

It is an arithmetic number, because the mean of its divisors is an integer number (276025295700).

Almost surely, 2^{8465780875648} is an apocalyptic number.

It is an amenable number.

8465780875648 is an abundant number, since it is smaller than the sum of its proper divisors (9199838049152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8465780875648 is a wasteful number, since it uses less digits than its factorization.

8465780875648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10934159 (or 10934147 counting only the distinct ones).

The product of its (nonzero) digits is 2890137600, while the sum is 76.

The spelling of 8465780875648 in words is "eight trillion, four hundred sixty-five billion, seven hundred eighty million, eight hundred seventy-five thousand, six hundred forty-eight".