328653377 has 4 divisors (see below), whose sum is σ = 353934420. Its totient is φ = 303372336.

The previous prime is 328653361. The next prime is 328653379. The reversal of 328653377 is 773356823.

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 56535361 + 272118016 = 7519^2 + 16496^2 .

It is a cyclic number.

It is not a de Polignac number, because 328653377 - 2⁴ = 328653361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328653379) 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, 12640502 + ... + 12640527.

It is an arithmetic number, because the mean of its divisors is an integer number (88483605).

Almost surely, 2^328653377 is an apocalyptic number.

It is an amenable number.

328653377 is a deficient number, since it is larger than the sum of its proper divisors (25281043).

328653377 is a wasteful number, since it uses less digits than its factorization.

328653377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25281042.

The product of its digits is 635040, while the sum is 44.

The square root of 328653377 is about 18128.7996568995. The cubic root of 328653377 is about 690.1010683010.

The spelling of 328653377 in words is "three hundred twenty-eight million, six hundred fifty-three thousand, three hundred seventy-seven".