789028673 has 2 divisors, whose sum is σ = 789028674. Its totient is φ = 789028672.

The previous prime is 789028661. The next prime is 789028687. The reversal of 789028673 is 376820987.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 587189824 + 201838849 = 24232^2 + 14207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-789028673 is a prime.

It is a super-2 number, since 2×789028673² = 1245132493632281858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (789028613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394514336 + 394514337.

It is an arithmetic number, because the mean of its divisors is an integer number (394514337).

Almost surely, 2^789028673 is an apocalyptic number.

It is an amenable number.

789028673 is a deficient number, since it is larger than the sum of its proper divisors (1).

789028673 is an equidigital number, since it uses as much as digits as its factorization.

789028673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 789028673 is about 28089.6541986547. The cubic root of 789028673 is about 924.0545188904.

It can be divided in two parts, 7890 and 28673, that added together give a palindrome (36563).

The spelling of 789028673 in words is "seven hundred eighty-nine million, twenty-eight thousand, six hundred seventy-three".