9785772323 has 2 divisors, whose sum is σ = 9785772324. Its totient is φ = 9785772322.

The previous prime is 9785772281. The next prime is 9785772329. The reversal of 9785772323 is 3232775879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9785772323 - 2⁶ = 9785772259 is a prime.

It is a super-2 number, since 2×9785772323² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9785772329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4892886161 + 4892886162.

It is an arithmetic number, because the mean of its divisors is an integer number (4892886162).

Almost surely, 2^9785772323 is an apocalyptic number.

9785772323 is a deficient number, since it is larger than the sum of its proper divisors (1).

9785772323 is an equidigital number, since it uses as much as digits as its factorization.

9785772323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 53.

The square root of 9785772323 is about 98923.0626446634. The cubic root of 9785772323 is about 2138.9388516497.

The spelling of 9785772323 in words is "nine billion, seven hundred eighty-five million, seven hundred seventy-two thousand, three hundred twenty-three".