328170778752 has 256 divisors, whose sum is σ = 944577936000. Its totient is φ = 100569907200.

The previous prime is 328170778673. The next prime is 328170778753. The reversal of 328170778752 is 257877071823.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 328170778692 and 328170778701.

It is not an unprimeable number, because it can be changed into a prime (328170778753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59330227 + ... + 59335757.

Almost surely, 2^328170778752 is an apocalyptic number.

328170778752 is a gapful number since it is divisible by the number (32) 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 328170778752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472288968000).

328170778752 is an abundant number, since it is smaller than the sum of its proper divisors (616407157248).

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

328170778752 is a wasteful number, since it uses less digits than its factorization.

328170778752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775 (or 5763 counting only the distinct ones).

The product of its (nonzero) digits is 9219840, while the sum is 57.

The spelling of 328170778752 in words is "three hundred twenty-eight billion, one hundred seventy million, seven hundred seventy-eight thousand, seven hundred fifty-two".