328211677 has 4 divisors (see below), whose sum is σ = 328372380. Its totient is φ = 328050976.

The previous prime is 328211671. The next prime is 328211699. The reversal of 328211677 is 776112823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 204089796 + 124121881 = 14286^2 + 11141^2 .

It is a cyclic number.

It is not a de Polignac number, because 328211677 - 2¹⁹ = 327687389 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 (328211671) 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, 77248 + ... + 81385.

It is an arithmetic number, because the mean of its divisors is an integer number (82093095).

Almost surely, 2^328211677 is an apocalyptic number.

It is an amenable number.

328211677 is a deficient number, since it is larger than the sum of its proper divisors (160703).

328211677 is a wasteful number, since it uses less digits than its factorization.

328211677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160702.

The product of its digits is 28224, while the sum is 37.

The square root of 328211677 is about 18116.6132872565. The cubic root of 328211677 is about 689.7917715156.

The spelling of 328211677 in words is "three hundred twenty-eight million, two hundred eleven thousand, six hundred seventy-seven".