328785016057 has 8 divisors (see below), whose sum is σ = 335022242184. Its totient is φ = 322549039488.

The previous prime is 328785016039. The next prime is 328785016067. The reversal of 328785016057 is 750610587823.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38927684601 + 289857331456 = 197301^2 + 538384^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328785016057 - 2³⁵ = 294425277689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328785015995 and 328785016013.

It is not an unprimeable number, because it can be changed into a prime (328785016067) 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, 227613 + ... + 842245.

It is an arithmetic number, because the mean of its divisors is an integer number (41877780273).

Almost surely, 2^328785016057 is an apocalyptic number.

It is an amenable number.

328785016057 is a deficient number, since it is larger than the sum of its proper divisors (6237226127).

328785016057 is a wasteful number, since it uses less digits than its factorization.

328785016057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624779.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 328785016057 in words is "three hundred twenty-eight billion, seven hundred eighty-five million, sixteen thousand, fifty-seven".