90868307 has 2 divisors, whose sum is σ = 90868308. Its totient is φ = 90868306.

The previous prime is 90868301. The next prime is 90868313. The reversal of 90868307 is 70386809.

It is a balanced prime because it is at equal distance from previous prime (90868301) and next prime (90868313).

It is a cyclic number.

It is not a de Polignac number, because 90868307 - 2⁶ = 90868243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90868301) 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, 45434153 + 45434154.

It is an arithmetic number, because the mean of its divisors is an integer number (45434154).

Almost surely, 2^90868307 is an apocalyptic number.

90868307 is a deficient number, since it is larger than the sum of its proper divisors (1).

90868307 is an equidigital number, since it uses as much as digits as its factorization.

90868307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 90868307 is about 9532.4869262958. The cubic root of 90868307 is about 449.5770627047.

The spelling of 90868307 in words is "ninety million, eight hundred sixty-eight thousand, three hundred seven".