616774575871 has 2 divisors, whose sum is σ = 616774575872. Its totient is φ = 616774575870.

The previous prime is 616774575853. The next prime is 616774575883. The reversal of 616774575871 is 178575477616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616774575871 - 2¹³ = 616774567679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616774575971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308387287935 + 308387287936.

It is an arithmetic number, because the mean of its divisors is an integer number (308387287936).

Almost surely, 2^616774575871 is an apocalyptic number.

616774575871 is a deficient number, since it is larger than the sum of its proper divisors (1).

616774575871 is an equidigital number, since it uses as much as digits as its factorization.

616774575871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69148800, while the sum is 64.

The spelling of 616774575871 in words is "six hundred sixteen billion, seven hundred seventy-four million, five hundred seventy-five thousand, eight hundred seventy-one".