328883052257 has 4 divisors (see below), whose sum is σ = 331793521860. Its totient is φ = 325972582656.

The previous prime is 328883052229. The next prime is 328883052259. The reversal of 328883052257 is 752250388823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 752250388823 = 5927 ⋅126919249.

It can be written as a sum of positive squares in 2 ways, for example, as 171647804416 + 157235247841 = 414304^2 + 396529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328883052257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328883052199 and 328883052208.

It is not an unprimeable number, because it can be changed into a prime (328883052259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455234632 + ... + 1455234857.

It is an arithmetic number, because the mean of its divisors is an integer number (82948380465).

Almost surely, 2^328883052257 is an apocalyptic number.

It is an amenable number.

328883052257 is a deficient number, since it is larger than the sum of its proper divisors (2910469603).

328883052257 is a wasteful number, since it uses less digits than its factorization.

328883052257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910469602.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 328883052257 in words is "three hundred twenty-eight billion, eight hundred eighty-three million, fifty-two thousand, two hundred fifty-seven".