789366947 has 2 divisors, whose sum is σ = 789366948. Its totient is φ = 789366946.

The previous prime is 789366943. The next prime is 789366997. The reversal of 789366947 is 749663987.

It is a weak prime.

It is an emirp because it is prime and its reverse (749663987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 789366947 - 2² = 789366943 is a prime.

It is a super-3 number, since 3×789366947³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (789366943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394683473 + 394683474.

It is an arithmetic number, because the mean of its divisors is an integer number (394683474).

Almost surely, 2^789366947 is an apocalyptic number.

789366947 is a deficient number, since it is larger than the sum of its proper divisors (1).

789366947 is an equidigital number, since it uses as much as digits as its factorization.

789366947 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 789366947 is about 28095.6748806645. The cubic root of 789366947 is about 924.1865542098.

The spelling of 789366947 in words is "seven hundred eighty-nine million, three hundred sixty-six thousand, nine hundred forty-seven".