788242313 has 4 divisors (see below), whose sum is σ = 788309520. Its totient is φ = 788175108.

The previous prime is 788242289. The next prime is 788242319. The reversal of 788242313 is 313242887.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 788242313 - 2⁶ = 788242249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (788242319) 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, 10895 + ... + 41172.

It is an arithmetic number, because the mean of its divisors is an integer number (197077380).

Almost surely, 2^788242313 is an apocalyptic number.

It is an amenable number.

788242313 is a deficient number, since it is larger than the sum of its proper divisors (67207).

788242313 is a wasteful number, since it uses less digits than its factorization.

788242313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67206.

The product of its digits is 64512, while the sum is 38.

The square root of 788242313 is about 28075.6533850951. The cubic root of 788242313 is about 923.7474404686.

The spelling of 788242313 in words is "seven hundred eighty-eight million, two hundred forty-two thousand, three hundred thirteen".