788605045 has 4 divisors (see below), whose sum is σ = 946326060. Its totient is φ = 630884032.

The previous prime is 788605031. The next prime is 788605049. The reversal of 788605045 is 540506887.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 464100849 + 324504196 = 21543^2 + 18014^2 .

It is a cyclic number.

It is not a de Polignac number, because 788605045 - 2¹⁵ = 788572277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 788604992 and 788605010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788605049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78860500 + ... + 78860509.

It is an arithmetic number, because the mean of its divisors is an integer number (236581515).

Almost surely, 2^788605045 is an apocalyptic number.

It is an amenable number.

788605045 is a deficient number, since it is larger than the sum of its proper divisors (157721015).

788605045 is a wasteful number, since it uses less digits than its factorization.

788605045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157721014.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 788605045 is about 28082.1125451772. The cubic root of 788605045 is about 923.8891149116.

The spelling of 788605045 in words is "seven hundred eighty-eight million, six hundred five thousand, forty-five".