789972529 has 2 divisors, whose sum is σ = 789972530. Its totient is φ = 789972528.

The previous prime is 789972527. The next prime is 789972539. The reversal of 789972529 is 925279987.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 669412129 + 120560400 = 25873^2 + 10980^2 .

It is a cyclic number.

It is not a de Polignac number, because 789972529 - 2¹ = 789972527 is a prime.

Together with 789972527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (789972523) 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, 394986264 + 394986265.

It is an arithmetic number, because the mean of its divisors is an integer number (394986265).

Almost surely, 2^789972529 is an apocalyptic number.

It is an amenable number.

789972529 is a deficient number, since it is larger than the sum of its proper divisors (1).

789972529 is an equidigital number, since it uses as much as digits as its factorization.

789972529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 58.

The square root of 789972529 is about 28106.4499537028. The cubic root of 789972529 is about 924.4228311755.

The spelling of 789972529 in words is "seven hundred eighty-nine million, nine hundred seventy-two thousand, five hundred twenty-nine".