7890563 has 2 divisors, whose sum is σ = 7890564. Its totient is φ = 7890562.

The previous prime is 7890557. The next prime is 7890569. The reversal of 7890563 is 3650987.

It is a balanced prime because it is at equal distance from previous prime (7890557) and next prime (7890569).

It is a cyclic number.

It is not a de Polignac number, because 7890563 - 2⁸ = 7890307 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (7890569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3945281 + 3945282.

It is an arithmetic number, because the mean of its divisors is an integer number (3945282).

Almost surely, 2^7890563 is an apocalyptic number.

7890563 is a deficient number, since it is larger than the sum of its proper divisors (1).

7890563 is an equidigital number, since it uses as much as digits as its factorization.

7890563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 7890563 is about 2809.0145959037. The cubic root of 7890563 is about 199.0838346132.

The spelling of 7890563 in words is "seven million, eight hundred ninety thousand, five hundred sixty-three".