610000505077 has 2 divisors, whose sum is σ = 610000505078. Its totient is φ = 610000505076.

The previous prime is 610000505071. The next prime is 610000505123. The reversal of 610000505077 is 770505000016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 554360658916 + 55639846161 = 744554^2 + 235881^2 .

It is a cyclic number.

It is not a de Polignac number, because 610000505077 - 2³¹ = 607853021429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610000505071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305000252538 + 305000252539.

It is an arithmetic number, because the mean of its divisors is an integer number (305000252539).

Almost surely, 2^610000505077 is an apocalyptic number.

It is an amenable number.

610000505077 is a deficient number, since it is larger than the sum of its proper divisors (1).

610000505077 is an equidigital number, since it uses as much as digits as its factorization.

610000505077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 31.

The spelling of 610000505077 in words is "six hundred ten billion, five hundred five thousand, seventy-seven".