325446778116 has 36 divisors (see below), whose sum is σ = 844891113612. Its totient is φ = 105550305984.

The previous prime is 325446778099. The next prime is 325446778121. The reversal of 325446778116 is 611877644523.

325446778116 is a `hidden beast` number, since 3 + 2 + 544 + 6 + 7 + 7 + 81 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 212248175616 + 113198602500 = 460704^2 + 336450^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122163375 + ... + 122166038.

Almost surely, 2^325446778116 is an apocalyptic number.

325446778116 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

325446778116 is an abundant number, since it is smaller than the sum of its proper divisors (519444335496).

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

325446778116 is a wasteful number, since it uses less digits than its factorization.

325446778116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244329460 (or 244329455 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 325446778116 in words is "three hundred twenty-five billion, four hundred forty-six million, seven hundred seventy-eight thousand, one hundred sixteen".