789328929 has 4 divisors (see below), whose sum is σ = 1052438576. Its totient is φ = 526219284.

The previous prime is 789328909. The next prime is 789328949. The reversal of 789328929 is 929823987.

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, and also an emirpimes, since its reverse is a distinct semiprime: 929823987 = 3 ⋅309941329.

It is an interprime number because it is at equal distance from previous prime (789328909) and next prime (789328949).

It is a de Polignac number, because none of the positive numbers 2^k-789328929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (789328909) 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, 131554819 + ... + 131554824.

It is an arithmetic number, because the mean of its divisors is an integer number (263109644).

Almost surely, 2^789328929 is an apocalyptic number.

It is an amenable number.

789328929 is a deficient number, since it is larger than the sum of its proper divisors (263109647).

789328929 is a wasteful number, since it uses less digits than its factorization.

789328929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263109646.

The product of its digits is 3919104, while the sum is 57.

The square root of 789328929 is about 28094.9982915109. The cubic root of 789328929 is about 924.1717168820.

The spelling of 789328929 in words is "seven hundred eighty-nine million, three hundred twenty-eight thousand, nine hundred twenty-nine".