328747079 has 4 divisors (see below), whose sum is σ = 328878600. Its totient is φ = 328615560.

The previous prime is 328747019. The next prime is 328747123. The reversal of 328747079 is 970747823.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328747079 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 (328747009) 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, 61937 + ... + 67034.

It is an arithmetic number, because the mean of its divisors is an integer number (82219650).

Almost surely, 2^328747079 is an apocalyptic number.

328747079 is a deficient number, since it is larger than the sum of its proper divisors (131521).

328747079 is a wasteful number, since it uses less digits than its factorization.

328747079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131520.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 328747079 is about 18131.3838137082. The cubic root of 328747079 is about 690.1666467193.

The spelling of 328747079 in words is "three hundred twenty-eight million, seven hundred forty-seven thousand, seventy-nine".