616877 has 2 divisors, whose sum is σ = 616878. Its totient is φ = 616876.

The previous prime is 616871. The next prime is 616897. The reversal of 616877 is 778616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546121 + 70756 = 739^2 + 266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308438 + 308439.

It is an arithmetic number, because the mean of its divisors is an integer number (308439).

2⁶¹⁶⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

616877 is a deficient number, since it is larger than the sum of its proper divisors (1).

616877 is an equidigital number, since it uses as much as digits as its factorization.

616877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 616877 is about 785.4151768332. The cubic root of 616877 is about 85.1267773691.

The spelling of 616877 in words is "six hundred sixteen thousand, eight hundred seventy-seven".