328278037 has 2 divisors, whose sum is σ = 328278038. Its totient is φ = 328278036.

The previous prime is 328277993. The next prime is 328278059. The reversal of 328278037 is 730872823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201242596 + 127035441 = 14186^2 + 11271^2 .

It is a cyclic number.

It is not a de Polignac number, because 328278037 - 2¹¹ = 328275989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328270037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164139018 + 164139019.

It is an arithmetic number, because the mean of its divisors is an integer number (164139019).

Almost surely, 2^328278037 is an apocalyptic number.

It is an amenable number.

328278037 is a deficient number, since it is larger than the sum of its proper divisors (1).

328278037 is an equidigital number, since it uses as much as digits as its factorization.

328278037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 328278037 is about 18118.4446628291. Note that the first 3 decimals coincide. The cubic root of 328278037 is about 689.8382572650.

The spelling of 328278037 in words is "three hundred twenty-eight million, two hundred seventy-eight thousand, thirty-seven".