788029989 has 4 divisors (see below), whose sum is σ = 1050706656. Its totient is φ = 525353324.

The previous prime is 788029981. The next prime is 788030027. The reversal of 788029989 is 989920887.

788029989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 788029989 - 2³ = 788029981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788029981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131338329 + ... + 131338334.

It is an arithmetic number, because the mean of its divisors is an integer number (262676664).

Almost surely, 2^788029989 is an apocalyptic number.

It is an amenable number.

788029989 is a deficient number, since it is larger than the sum of its proper divisors (262676667).

788029989 is a wasteful number, since it uses less digits than its factorization.

788029989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262676666.

The product of its (nonzero) digits is 5225472, while the sum is 60.

The square root of 788029989 is about 28071.8718470999. The cubic root of 788029989 is about 923.6644916251.

The spelling of 788029989 in words is "seven hundred eighty-eight million, twenty-nine thousand, nine hundred eighty-nine".