90012763 has 2 divisors, whose sum is σ = 90012764. Its totient is φ = 90012762.

The previous prime is 90012751. The next prime is 90012821. The reversal of 90012763 is 36721009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90012763 - 2¹³ = 90004571 is a prime.

It is not a weakly prime, because it can be changed into another prime (90012743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45006381 + 45006382.

It is an arithmetic number, because the mean of its divisors is an integer number (45006382).

Almost surely, 2^90012763 is an apocalyptic number.

90012763 is a deficient number, since it is larger than the sum of its proper divisors (1).

90012763 is an equidigital number, since it uses as much as digits as its factorization.

90012763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 90012763 is about 9487.5056258218. The cubic root of 90012763 is about 448.1616574206.

The spelling of 90012763 in words is "ninety million, twelve thousand, seven hundred sixty-three".