280328327 has 2 divisors, whose sum is σ = 280328328. Its totient is φ = 280328326.

The previous prime is 280328311. The next prime is 280328333. The reversal of 280328327 is 723823082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280328327 - 2⁴ = 280328311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280328627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140164163 + 140164164.

It is an arithmetic number, because the mean of its divisors is an integer number (140164164).

Almost surely, 2^280328327 is an apocalyptic number.

280328327 is a deficient number, since it is larger than the sum of its proper divisors (1).

280328327 is an equidigital number, since it uses as much as digits as its factorization.

280328327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 280328327 is about 16743.0083019749. The cubic root of 280328327 is about 654.4688715330.

The spelling of 280328327 in words is "two hundred eighty million, three hundred twenty-eight thousand, three hundred twenty-seven".