90814907 has 2 divisors, whose sum is σ = 90814908. Its totient is φ = 90814906.

The previous prime is 90814897. The next prime is 90814937. The reversal of 90814907 is 70941809.

It is a weak prime.

It is an emirp because it is prime and its reverse (70941809) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90814907 - 2⁸ = 90814651 is a prime.

It is a super-3 number, since 3×90814907³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (90814937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45407453 + 45407454.

It is an arithmetic number, because the mean of its divisors is an integer number (45407454).

Almost surely, 2^90814907 is an apocalyptic number.

90814907 is a deficient number, since it is larger than the sum of its proper divisors (1).

90814907 is an equidigital number, since it uses as much as digits as its factorization.

90814907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 90814907 is about 9529.6855666911. The cubic root of 90814907 is about 449.4889787503.

The spelling of 90814907 in words is "ninety million, eight hundred fourteen thousand, nine hundred seven".