789988005 has 32 divisors (see below), whose sum is σ = 1405825920. Its totient is φ = 420906240.

The previous prime is 789987983. The next prime is 789988019. The reversal of 789988005 is 500889987.

It is not a de Polignac number, because 789988005 - 2²⁶ = 722879141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170925 + ... + 175485.

It is an arithmetic number, because the mean of its divisors is an integer number (43932060).

Almost surely, 2^789988005 is an apocalyptic number.

It is an amenable number.

789988005 is a deficient number, since it is larger than the sum of its proper divisors (615837915).

789988005 is a wasteful number, since it uses less digits than its factorization.

789988005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858 (or 5852 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The square root of 789988005 is about 28106.7252628263. The cubic root of 789988005 is about 924.4288677881.

The spelling of 789988005 in words is "seven hundred eighty-nine million, nine hundred eighty-eight thousand, five".