793856331617 has 4 divisors (see below), whose sum is σ = 828371824320. Its totient is φ = 759340838916.

The previous prime is 793856331581. The next prime is 793856331649. The reversal of 793856331617 is 716133658397.

793856331617 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, and also an emirpimes, since its reverse is a distinct semiprime: 716133658397 = 137 ⋅5227252981.

It is a cyclic number.

It is not a de Polignac number, because 793856331617 - 2¹⁶ = 793856266081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (793856331217) 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, 17257746317 + ... + 17257746362.

It is an arithmetic number, because the mean of its divisors is an integer number (207092956080).

Almost surely, 2^793856331617 is an apocalyptic number.

It is an amenable number.

793856331617 is a deficient number, since it is larger than the sum of its proper divisors (34515492703).

793856331617 is a wasteful number, since it uses less digits than its factorization.

793856331617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34515492702.

The product of its digits is 17146080, while the sum is 59.

The spelling of 793856331617 in words is "seven hundred ninety-three billion, eight hundred fifty-six million, three hundred thirty-one thousand, six hundred seventeen".