789023971 has 2 divisors, whose sum is σ = 789023972. Its totient is φ = 789023970.

The previous prime is 789023897. The next prime is 789023999. The reversal of 789023971 is 179320987.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (179320987) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-789023971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (789027971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394511985 + 394511986.

It is an arithmetic number, because the mean of its divisors is an integer number (394511986).

Almost surely, 2^789023971 is an apocalyptic number.

789023971 is a deficient number, since it is larger than the sum of its proper divisors (1).

789023971 is an equidigital number, since it uses as much as digits as its factorization.

789023971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 789023971 is about 28089.5705022345. The cubic root of 789023971 is about 924.0526833370.

The spelling of 789023971 in words is "seven hundred eighty-nine million, twenty-three thousand, nine hundred seventy-one".