8325428959680 has 448 divisors, whose sum is σ = 31648603004928. Its totient is φ = 1812957696000.

The previous prime is 8325428959619. The next prime is 8325428959739. The reversal of 8325428959680 is 869598245238.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38687259 + ... + 38901861.

It is an arithmetic number, because the mean of its divisors is an integer number (70644203136).

Almost surely, 2^{8325428959680} is an apocalyptic number.

8325428959680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8325428959680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15824301502464).

8325428959680 is an abundant number, since it is smaller than the sum of its proper divisors (23323174045248).

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

8325428959680 is a wasteful number, since it uses less digits than its factorization.

8325428959680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214904 (or 214894 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 69.

The spelling of 8325428959680 in words is "eight trillion, three hundred twenty-five billion, four hundred twenty-eight million, nine hundred fifty-nine thousand, six hundred eighty".