328678679 has 4 divisors (see below), whose sum is σ = 375632784. Its totient is φ = 281724576.

The previous prime is 328678657. The next prime is 328678703. The reversal of 328678679 is 976876823.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-328678679 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 (328678639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23477042 + ... + 23477055.

It is an arithmetic number, because the mean of its divisors is an integer number (93908196).

Almost surely, 2^328678679 is an apocalyptic number.

328678679 is a deficient number, since it is larger than the sum of its proper divisors (46954105).

328678679 is an equidigital number, since it uses as much as digits as its factorization.

328678679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46954104.

The product of its digits is 6096384, while the sum is 56.

The square root of 328678679 is about 18129.4974833833. The cubic root of 328678679 is about 690.1187774239.

The spelling of 328678679 in words is "three hundred twenty-eight million, six hundred seventy-eight thousand, six hundred seventy-nine".