617608868 has 12 divisors (see below), whose sum is σ = 1080989952. Its totient is φ = 308754600.

The previous prime is 617608867. The next prime is 617608883. The reversal of 617608868 is 868806716.

It is a super-3 number, since 3×617608868³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (617608867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39521 + ... + 52887.

It is an arithmetic number, because the mean of its divisors is an integer number (90082496).

Almost surely, 2^617608868 is an apocalyptic number.

It is an amenable number.

617608868 is a deficient number, since it is larger than the sum of its proper divisors (463381084).

617608868 is a wasteful number, since it uses less digits than its factorization.

617608868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24922 (or 24920 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 617608868 is about 24851.7377259619. The cubic root of 617608868 is about 851.6042910308.

The spelling of 617608868 in words is "six hundred seventeen million, six hundred eight thousand, eight hundred sixty-eight".