617617469968 has 20 divisors (see below), whose sum is σ = 1224462543568. Its totient is φ = 301627136160.

The previous prime is 617617469957. The next prime is 617617469981. The reversal of 617617469968 is 869964716716.

617617469968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 617617469897 and 617617469906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448849218 + ... + 448850593.

Almost surely, 2^617617469968 is an apocalyptic number.

It is an amenable number.

617617469968 is a deficient number, since it is larger than the sum of its proper divisors (606845073600).

617617469968 is a wasteful number, since it uses less digits than its factorization.

617617469968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897699862 (or 897699856 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 70.

The spelling of 617617469968 in words is "six hundred seventeen billion, six hundred seventeen million, four hundred sixty-nine thousand, nine hundred sixty-eight".