789652081 has 2 divisors, whose sum is σ = 789652082. Its totient is φ = 789652080.

The previous prime is 789652063. The next prime is 789652093. The reversal of 789652081 is 180256987.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781761600 + 7890481 = 27960^2 + 2809^2 .

It is an emirp because it is prime and its reverse (180256987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 789652081 - 2⁷ = 789651953 is a prime.

It is a super-2 number, since 2×789652081² = 1247100818055261122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (789652051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394826040 + 394826041.

It is an arithmetic number, because the mean of its divisors is an integer number (394826041).

Almost surely, 2^789652081 is an apocalyptic number.

It is an amenable number.

789652081 is a deficient number, since it is larger than the sum of its proper divisors (1).

789652081 is an equidigital number, since it uses as much as digits as its factorization.

789652081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 789652081 is about 28100.7487622661. The cubic root of 789652081 is about 924.2978185959.

The spelling of 789652081 in words is "seven hundred eighty-nine million, six hundred fifty-two thousand, eighty-one".