328857677 has 8 divisors (see below), whose sum is σ = 332124600. Its totient is φ = 325603584.

The previous prime is 328857671. The next prime is 328857689. The reversal of 328857677 is 776758823.

It can be written as a sum of positive squares in 4 ways, for example, as 61011721 + 267845956 = 7811^2 + 16366^2 .

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 328857677 - 2²⁰ = 327809101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328857671) 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, 53099 + ... + 58967.

It is an arithmetic number, because the mean of its divisors is an integer number (41515575).

Almost surely, 2^328857677 is an apocalyptic number.

It is an amenable number.

328857677 is a deficient number, since it is larger than the sum of its proper divisors (3266923).

328857677 is a wasteful number, since it uses less digits than its factorization.

328857677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415.

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

The square root of 328857677 is about 18134.4334623390. The cubic root of 328857677 is about 690.2440339646.

The spelling of 328857677 in words is "three hundred twenty-eight million, eight hundred fifty-seven thousand, six hundred seventy-seven".