325378810856 has 32 divisors (see below), whose sum is σ = 665641212480. Its totient is φ = 147878649600.

The previous prime is 325378810853. The next prime is 325378810909. The reversal of 325378810856 is 658018873523.

It is not an unprimeable number, because it can be changed into a prime (325378810853) 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, 377696 + ... + 890736.

It is an arithmetic number, because the mean of its divisors is an integer number (20801287890).

Almost surely, 2^325378810856 is an apocalyptic number.

It is an amenable number.

325378810856 is an abundant number, since it is smaller than the sum of its proper divisors (340262401624).

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

325378810856 is a wasteful number, since it uses less digits than its factorization.

325378810856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520265 (or 520261 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 325378810856 in words is "three hundred twenty-five billion, three hundred seventy-eight million, eight hundred ten thousand, eight hundred fifty-six".