328879663 has 4 divisors (see below), whose sum is σ = 375862480. Its totient is φ = 281896848.

The previous prime is 328879657. The next prime is 328879667. The reversal of 328879663 is 366978823.

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

It is a cyclic number.

It is not a de Polignac number, because 328879663 - 2⁵ = 328879631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328879663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328879667) 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, 23491398 + ... + 23491411.

It is an arithmetic number, because the mean of its divisors is an integer number (93965620).

Almost surely, 2^328879663 is an apocalyptic number.

328879663 is a deficient number, since it is larger than the sum of its proper divisors (46982817).

328879663 is an equidigital number, since it uses as much as digits as its factorization.

328879663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46982816.

The product of its digits is 2612736, while the sum is 52.

The square root of 328879663 is about 18135.0396470479. The cubic root of 328879663 is about 690.2594158640.

The spelling of 328879663 in words is "three hundred twenty-eight million, eight hundred seventy-nine thousand, six hundred sixty-three".