90625699 has 2 divisors, whose sum is σ = 90625700. Its totient is φ = 90625698.

The previous prime is 90625697. The next prime is 90625709. The reversal of 90625699 is 99652609.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90625699 - 2¹ = 90625697 is a prime.

Together with 90625697, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90625697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45312849 + 45312850.

It is an arithmetic number, because the mean of its divisors is an integer number (45312850).

Almost surely, 2^90625699 is an apocalyptic number.

90625699 is a deficient number, since it is larger than the sum of its proper divisors (1).

90625699 is an equidigital number, since it uses as much as digits as its factorization.

90625699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 90625699 is about 9519.7530955377. The cubic root of 90625699 is about 449.1765996284.

The spelling of 90625699 in words is "ninety million, six hundred twenty-five thousand, six hundred ninety-nine".