159860977 has 2 divisors, whose sum is σ = 159860978. Its totient is φ = 159860976.

The previous prime is 159860941. The next prime is 159860983. The reversal of 159860977 is 779068951.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131813361 + 28047616 = 11481^2 + 5296^2 .

It is a cyclic number.

It is not a de Polignac number, because 159860977 - 2⁷ = 159860849 is a prime.

It is not a weakly prime, because it can be changed into another prime (159860177) 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, 79930488 + 79930489.

It is an arithmetic number, because the mean of its divisors is an integer number (79930489).

Almost surely, 2^159860977 is an apocalyptic number.

It is an amenable number.

159860977 is a deficient number, since it is larger than the sum of its proper divisors (1).

159860977 is an equidigital number, since it uses as much as digits as its factorization.

159860977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 52.

The square root of 159860977 is about 12643.6140798428. The cubic root of 159860977 is about 542.7262417231.

The spelling of 159860977 in words is "one hundred fifty-nine million, eight hundred sixty thousand, nine hundred seventy-seven".