507779352061 has 2 divisors, whose sum is σ = 507779352062. Its totient is φ = 507779352060.

The previous prime is 507779351993. The next prime is 507779352079. The reversal of 507779352061 is 160253977705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504570129561 + 3209222500 = 710331^2 + 56650^2 .

It is a cyclic number.

It is not a de Polignac number, because 507779352061 - 2²⁷ = 507645134333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507779302061) 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, 253889676030 + 253889676031.

It is an arithmetic number, because the mean of its divisors is an integer number (253889676031).

Almost surely, 2^507779352061 is an apocalyptic number.

It is an amenable number.

507779352061 is a deficient number, since it is larger than the sum of its proper divisors (1).

507779352061 is an equidigital number, since it uses as much as digits as its factorization.

507779352061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2778300, while the sum is 52.

The spelling of 507779352061 in words is "five hundred seven billion, seven hundred seventy-nine million, three hundred fifty-two thousand, sixty-one".