159278962657 has 2 divisors, whose sum is σ = 159278962658. Its totient is φ = 159278962656.

The previous prime is 159278962637. The next prime is 159278962663. The reversal of 159278962657 is 756269872951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144825152481 + 14453810176 = 380559^2 + 120224^2 .

It is a cyclic number.

It is not a de Polignac number, because 159278962657 - 2¹⁹ = 159278438369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159278962592 and 159278962601.

It is not a weakly prime, because it can be changed into another prime (159278962637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79639481328 + 79639481329.

It is an arithmetic number, because the mean of its divisors is an integer number (79639481329).

Almost surely, 2^159278962657 is an apocalyptic number.

It is an amenable number.

159278962657 is a deficient number, since it is larger than the sum of its proper divisors (1).

159278962657 is an equidigital number, since it uses as much as digits as its factorization.

159278962657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 114307200, while the sum is 67.

The spelling of 159278962657 in words is "one hundred fifty-nine billion, two hundred seventy-eight million, nine hundred sixty-two thousand, six hundred fifty-seven".