789663113 has 4 divisors (see below), whose sum is σ = 790995348. Its totient is φ = 788330880.

The previous prime is 789663089. The next prime is 789663143. The reversal of 789663113 is 311366987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311366987 = 233 ⋅1336339.

It can be written as a sum of positive squares in 2 ways, for example, as 614444944 + 175218169 = 24788^2 + 13237^2 .

It is a cyclic number.

It is not a de Polignac number, because 789663113 - 2¹⁶ = 789597577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (789663143) 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, 665228 + ... + 666413.

It is an arithmetic number, because the mean of its divisors is an integer number (197748837).

Almost surely, 2^789663113 is an apocalyptic number.

It is an amenable number.

789663113 is a deficient number, since it is larger than the sum of its proper divisors (1332235).

789663113 is a wasteful number, since it uses less digits than its factorization.

789663113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332234.

The product of its digits is 163296, while the sum is 44.

The square root of 789663113 is about 28100.9450552824. The cubic root of 789663113 is about 924.3021229413.

The spelling of 789663113 in words is "seven hundred eighty-nine million, six hundred sixty-three thousand, one hundred thirteen".