328876577 has 4 divisors (see below), whose sum is σ = 348222276. Its totient is φ = 309530880.

The previous prime is 328876573. The next prime is 328876579. The reversal of 328876577 is 775678823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 775678823 = 587 ⋅1321429.

It can be written as a sum of positive squares in 2 ways, for example, as 151560721 + 177315856 = 12311^2 + 13316^2 .

It is a cyclic number.

It is not a de Polignac number, because 328876577 - 2² = 328876573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328876573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9672824 + ... + 9672857.

It is an arithmetic number, because the mean of its divisors is an integer number (87055569).

Almost surely, 2^328876577 is an apocalyptic number.

It is an amenable number.

328876577 is a deficient number, since it is larger than the sum of its proper divisors (19345699).

328876577 is a wasteful number, since it uses less digits than its factorization.

328876577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19345698.

The product of its digits is 3951360, while the sum is 53.

The square root of 328876577 is about 18134.9545629428. The cubic root of 328876577 is about 690.2572568705.

The spelling of 328876577 in words is "three hundred twenty-eight million, eight hundred seventy-six thousand, five hundred seventy-seven".