789605506987 has 12 divisors (see below), whose sum is σ = 897841546560. Its totient is φ = 693070661360.

The previous prime is 789605506979. The next prime is 789605507017.

789605506987 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 789605506987 - 2³ = 789605506979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (789605506387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112507963 + ... + 112514980.

It is an arithmetic number, because the mean of its divisors is an integer number (74820128880).

Almost surely, 2^789605506987 is an apocalyptic number.

789605506987 is a deficient number, since it is larger than the sum of its proper divisors (108236039573).

789605506987 is a wasteful number, since it uses less digits than its factorization.

789605506987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225022994 (or 225022983 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 70.

The spelling of 789605506987 in words is "seven hundred eighty-nine billion, six hundred five million, five hundred six thousand, nine hundred eighty-seven".