616159877 has 2 divisors, whose sum is σ = 616159878. Its totient is φ = 616159876.

The previous prime is 616159867. The next prime is 616159909. The reversal of 616159877 is 778951616.

616159877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563872516 + 52287361 = 23746^2 + 7231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616159877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616159867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308079938 + 308079939.

It is an arithmetic number, because the mean of its divisors is an integer number (308079939).

Almost surely, 2^616159877 is an apocalyptic number.

It is an amenable number.

616159877 is a deficient number, since it is larger than the sum of its proper divisors (1).

616159877 is an equidigital number, since it uses as much as digits as its factorization.

616159877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 50.

The square root of 616159877 is about 24822.5678969763. The cubic root of 616159877 is about 850.9377779171.

The spelling of 616159877 in words is "six hundred sixteen million, one hundred fifty-nine thousand, eight hundred seventy-seven".