789669347 has 2 divisors, whose sum is σ = 789669348. Its totient is φ = 789669346.

The previous prime is 789669319. The next prime is 789669359. The reversal of 789669347 is 743966987.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 789669347 - 2²⁰ = 788620771 is a prime.

It is not a weakly prime, because it can be changed into another prime (789669047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394834673 + 394834674.

It is an arithmetic number, because the mean of its divisors is an integer number (394834674).

Almost surely, 2^789669347 is an apocalyptic number.

789669347 is a deficient number, since it is larger than the sum of its proper divisors (1).

789669347 is an equidigital number, since it uses as much as digits as its factorization.

789669347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 59.

The square root of 789669347 is about 28101.0559765999. The cubic root of 789669347 is about 924.3045552377.

The spelling of 789669347 in words is "seven hundred eighty-nine million, six hundred sixty-nine thousand, three hundred forty-seven".