328507635756 has 24 divisors (see below), whose sum is σ = 772369101504. Its totient is φ = 108666647440.

The previous prime is 328507635751. The next prime is 328507635767. The reversal of 328507635756 is 657536705823.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 328507635696 and 328507635705.

It is not an unprimeable number, because it can be changed into a prime (328507635751) 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, 104485590 + ... + 104488733.

It is an arithmetic number, because the mean of its divisors is an integer number (32182045896).

Almost surely, 2^328507635756 is an apocalyptic number.

It is an amenable number.

328507635756 is an abundant number, since it is smaller than the sum of its proper divisors (443861465748).

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

328507635756 is a wasteful number, since it uses less digits than its factorization.

328507635756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208974461 (or 208974459 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 57.

The spelling of 328507635756 in words is "three hundred twenty-eight billion, five hundred seven million, six hundred thirty-five thousand, seven hundred fifty-six".