616946897 has 8 divisors (see below), whose sum is σ = 719472000. Its totient is φ = 528811332.

The previous prime is 616946879. The next prime is 616947041. The reversal of 616946897 is 798649616.

616946897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 616946897 - 2¹⁰ = 616945873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616946857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898997 + ... + 899682.

It is an arithmetic number, because the mean of its divisors is an integer number (89934000).

Almost surely, 2^616946897 is an apocalyptic number.

It is an amenable number.

616946897 is a deficient number, since it is larger than the sum of its proper divisors (102525103).

616946897 is an equidigital number, since it uses as much as digits as its factorization.

616946897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798700 (or 1798686 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The square root of 616946897 is about 24838.4157506070. The cubic root of 616946897 is about 851.2999242471.

The spelling of 616946897 in words is "six hundred sixteen million, nine hundred forty-six thousand, eight hundred ninety-seven".