90920107 has 2 divisors, whose sum is σ = 90920108. Its totient is φ = 90920106.

The previous prime is 90920077. The next prime is 90920119. The reversal of 90920107 is 70102909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90920107 - 2⁷ = 90919979 is a prime.

It is not a weakly prime, because it can be changed into another prime (90920197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45460053 + 45460054.

It is an arithmetic number, because the mean of its divisors is an integer number (45460054).

Almost surely, 2^90920107 is an apocalyptic number.

90920107 is a deficient number, since it is larger than the sum of its proper divisors (1).

90920107 is an equidigital number, since it uses as much as digits as its factorization.

90920107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 90920107 is about 9535.2035636372. The cubic root of 90920107 is about 449.6624744720.

The spelling of 90920107 in words is "ninety million, nine hundred twenty thousand, one hundred seven".