328805707 has 2 divisors, whose sum is σ = 328805708. Its totient is φ = 328805706.

The previous prime is 328805669. The next prime is 328805759. The reversal of 328805707 is 707508823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328805707 - 2¹¹ = 328803659 is a prime.

It is a super-2 number, since 2×328805707² = 216226385911539698, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328805707.

It is not a weakly prime, because it can be changed into another prime (328805777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164402853 + 164402854.

It is an arithmetic number, because the mean of its divisors is an integer number (164402854).

Almost surely, 2^328805707 is an apocalyptic number.

328805707 is a deficient number, since it is larger than the sum of its proper divisors (1).

328805707 is an equidigital number, since it uses as much as digits as its factorization.

328805707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 328805707 is about 18133.0004963326. Note that the first 3 decimals coincide. The cubic root of 328805707 is about 690.2076718595.

The spelling of 328805707 in words is "three hundred twenty-eight million, eight hundred five thousand, seven hundred seven".