90086207 has 2 divisors, whose sum is σ = 90086208. Its totient is φ = 90086206.

The previous prime is 90086197. The next prime is 90086219. The reversal of 90086207 is 70268009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90086207 - 2¹⁰ = 90085183 is a prime.

It is a Chen prime.

It is equal to p_5221697 and since 90086207 and 5221697 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90086287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45043103 + 45043104.

It is an arithmetic number, because the mean of its divisors is an integer number (45043104).

Almost surely, 2^90086207 is an apocalyptic number.

90086207 is a deficient number, since it is larger than the sum of its proper divisors (1).

90086207 is an equidigital number, since it uses as much as digits as its factorization.

90086207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 90086207 is about 9491.3754008573. The cubic root of 90086207 is about 448.2835136097.

The spelling of 90086207 in words is "ninety million, eighty-six thousand, two hundred seven".