655267962977 has 2 divisors, whose sum is σ = 655267962978. Its totient is φ = 655267962976.

The previous prime is 655267962961. The next prime is 655267963019. The reversal of 655267962977 is 779269762556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653374755856 + 1893207121 = 808316^2 + 43511^2 .

It is a cyclic number.

It is not a de Polignac number, because 655267962977 - 2⁴ = 655267962961 is a prime.

It is a super-2 number, since 2×655267962977² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 655267962977.

It is not a weakly prime, because it can be changed into another prime (655267968977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327633981488 + 327633981489.

It is an arithmetic number, because the mean of its divisors is an integer number (327633981489).

Almost surely, 2^655267962977 is an apocalyptic number.

It is an amenable number.

655267962977 is a deficient number, since it is larger than the sum of its proper divisors (1).

655267962977 is an equidigital number, since it uses as much as digits as its factorization.

655267962977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600112800, while the sum is 71.

The spelling of 655267962977 in words is "six hundred fifty-five billion, two hundred sixty-seven million, nine hundred sixty-two thousand, nine hundred seventy-seven".