617868716 has 12 divisors (see below), whose sum is σ = 1089785088. Its totient is φ = 306501552.

The previous prime is 617868703. The next prime is 617868737.

617868716 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×617868716² = 763523500422977312, which contains 22 as substring.

It is an unprimeable number.

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, 607631 + ... + 608646.

It is an arithmetic number, because the mean of its divisors is an integer number (90815424).

Almost surely, 2^617868716 is an apocalyptic number.

It is an amenable number.

617868716 is a deficient number, since it is larger than the sum of its proper divisors (471916372).

617868716 is a wasteful number, since it uses less digits than its factorization.

617868716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216408 (or 1216406 counting only the distinct ones).

The product of its digits is 677376, while the sum is 50.

The square root of 617868716 is about 24856.9651405798. The cubic root of 617868716 is about 851.7237067625.

The spelling of 617868716 in words is "six hundred seventeen million, eight hundred sixty-eight thousand, seven hundred sixteen".