90127417 has 2 divisors, whose sum is σ = 90127418. Its totient is φ = 90127416.

The previous prime is 90127403. The next prime is 90127423. The reversal of 90127417 is 71472109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83832336 + 6295081 = 9156^2 + 2509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90127417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90127517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45063708 + 45063709.

It is an arithmetic number, because the mean of its divisors is an integer number (45063709).

Almost surely, 2^90127417 is an apocalyptic number.

It is an amenable number.

90127417 is a deficient number, since it is larger than the sum of its proper divisors (1).

90127417 is an equidigital number, since it uses as much as digits as its factorization.

90127417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 90127417 is about 9493.5460708842. The cubic root of 90127417 is about 448.3518590608.

The spelling of 90127417 in words is "ninety million, one hundred twenty-seven thousand, four hundred seventeen".