9479745787 has 2 divisors, whose sum is σ = 9479745788. Its totient is φ = 9479745786.

The previous prime is 9479745773. The next prime is 9479745817. The reversal of 9479745787 is 7875479749.

9479745787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9479745787 - 2⁷ = 9479745659 is a prime.

It is a super-2 number, since 2×9479745787² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9479745767) 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, 4739872893 + 4739872894.

It is an arithmetic number, because the mean of its divisors is an integer number (4739872894).

Almost surely, 2^9479745787 is an apocalyptic number.

9479745787 is a deficient number, since it is larger than the sum of its proper divisors (1).

9479745787 is an equidigital number, since it uses as much as digits as its factorization.

9479745787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124467840, while the sum is 67.

The square root of 9479745787 is about 97363.9860882863. The cubic root of 9479745787 is about 2116.4055760487.

The spelling of 9479745787 in words is "nine billion, four hundred seventy-nine million, seven hundred forty-five thousand, seven hundred eighty-seven".