968381917 has 4 divisors (see below), whose sum is σ = 968460640. Its totient is φ = 968303196.

The previous prime is 968381879. The next prime is 968381923. The reversal of 968381917 is 719183869.

It is a happy number.

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 968381917 - 2⁷ = 968381789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968385917) 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, 16473 + ... + 46990.

It is an arithmetic number, because the mean of its divisors is an integer number (242115160).

Almost surely, 2^968381917 is an apocalyptic number.

It is an amenable number.

968381917 is a deficient number, since it is larger than the sum of its proper divisors (78723).

968381917 is a wasteful number, since it uses less digits than its factorization.

968381917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78722.

The product of its digits is 653184, while the sum is 52.

The square root of 968381917 is about 31118.8354055868. The cubic root of 968381917 is about 989.3475676100.

The spelling of 968381917 in words is "nine hundred sixty-eight million, three hundred eighty-one thousand, nine hundred seventeen".