90605107 has 2 divisors, whose sum is σ = 90605108. Its totient is φ = 90605106.

The previous prime is 90605101. The next prime is 90605111. The reversal of 90605107 is 70150609.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90605107 - 2¹⁹ = 90080819 is a prime.

It is not a weakly prime, because it can be changed into another prime (90605101) 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, 45302553 + 45302554.

It is an arithmetic number, because the mean of its divisors is an integer number (45302554).

Almost surely, 2^90605107 is an apocalyptic number.

90605107 is a deficient number, since it is larger than the sum of its proper divisors (1).

90605107 is an equidigital number, since it uses as much as digits as its factorization.

90605107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 90605107 is about 9518.6714934386. The cubic root of 90605107 is about 449.1425763683.

The spelling of 90605107 in words is "ninety million, six hundred five thousand, one hundred seven".