361328987 has 2 divisors, whose sum is σ = 361328988. Its totient is φ = 361328986.

The previous prime is 361328911. The next prime is 361328993. The reversal of 361328987 is 789823163.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 361328987 - 2⁸ = 361328731 is a prime.

It is not a weakly prime, because it can be changed into another prime (361328287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180664493 + 180664494.

It is an arithmetic number, because the mean of its divisors is an integer number (180664494).

Almost surely, 2^361328987 is an apocalyptic number.

361328987 is a deficient number, since it is larger than the sum of its proper divisors (1).

361328987 is an equidigital number, since it uses as much as digits as its factorization.

361328987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 361328987 is about 19008.6555810767. The cubic root of 361328987 is about 712.2529683061.

The spelling of 361328987 in words is "three hundred sixty-one million, three hundred twenty-eight thousand, nine hundred eighty-seven".