328750777 has 8 divisors (see below), whose sum is σ = 353796552. Its totient is φ = 304339200.

The previous prime is 328750771. The next prime is 328750813. The reversal of 328750777 is 777057823.

It can be written as a sum of positive squares in 4 ways, for example, as 3164841 + 325585936 = 1779^2 + 18044^2 .

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 328750777 - 2¹⁹ = 328226489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328750771) 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, 157474 + ... + 159547.

It is an arithmetic number, because the mean of its divisors is an integer number (44224569).

Almost surely, 2^328750777 is an apocalyptic number.

It is an amenable number.

328750777 is a deficient number, since it is larger than the sum of its proper divisors (25045775).

328750777 is a wasteful number, since it uses less digits than its factorization.

328750777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317099.

The product of its (nonzero) digits is 576240, while the sum is 46.

The square root of 328750777 is about 18131.4857912969. The cubic root of 328750777 is about 690.1692345513.

The spelling of 328750777 in words is "three hundred twenty-eight million, seven hundred fifty thousand, seven hundred seventy-seven".