244648087 has 2 divisors, whose sum is σ = 244648088. Its totient is φ = 244648086.

The previous prime is 244648081. The next prime is 244648091. The reversal of 244648087 is 780846442.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244648087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244648081) 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, 122324043 + 122324044.

It is an arithmetic number, because the mean of its divisors is an integer number (122324044).

Almost surely, 2^244648087 is an apocalyptic number.

244648087 is a deficient number, since it is larger than the sum of its proper divisors (1).

244648087 is an equidigital number, since it uses as much as digits as its factorization.

244648087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 43.

The square root of 244648087 is about 15641.2303544191. The cubic root of 244648087 is about 625.4327345561.

The spelling of 244648087 in words is "two hundred forty-four million, six hundred forty-eight thousand, eighty-seven".