789294420845 has 32 divisors (see below), whose sum is σ = 1115939328000. Its totient is φ = 535650651648.

The previous prime is 789294420841. The next prime is 789294420853. The reversal of 789294420845 is 548024492987.

It is not a de Polignac number, because 789294420845 - 2² = 789294420841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789294420841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2205965 + ... + 2538674.

It is an arithmetic number, because the mean of its divisors is an integer number (34873104000).

Almost surely, 2^789294420845 is an apocalyptic number.

It is an amenable number.

789294420845 is a deficient number, since it is larger than the sum of its proper divisors (326644907155).

789294420845 is an equidigital number, since it uses as much as digits as its factorization.

789294420845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744762 (or 4744748 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 789294420845 in words is "seven hundred eighty-nine billion, two hundred ninety-four million, four hundred twenty thousand, eight hundred forty-five".