270320987 has 2 divisors, whose sum is σ = 270320988. Its totient is φ = 270320986.

The previous prime is 270320903. The next prime is 270321013. The reversal of 270320987 is 789023072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 270320987 - 2⁸ = 270320731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 270320987.

It is not a weakly prime, because it can be changed into another prime (270320887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135160493 + 135160494.

It is an arithmetic number, because the mean of its divisors is an integer number (135160494).

Almost surely, 2^270320987 is an apocalyptic number.

270320987 is a deficient number, since it is larger than the sum of its proper divisors (1).

270320987 is an equidigital number, since it uses as much as digits as its factorization.

270320987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 270320987 is about 16441.4411472961. The cubic root of 270320987 is about 646.5864335514.

The spelling of 270320987 in words is "two hundred seventy million, three hundred twenty thousand, nine hundred eighty-seven".