159077489 has 2 divisors, whose sum is σ = 159077490. Its totient is φ = 159077488.

The previous prime is 159077473. The next prime is 159077507. The reversal of 159077489 is 984770951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130347889 + 28729600 = 11417^2 + 5360^2 .

It is a cyclic number.

It is not a de Polignac number, because 159077489 - 2⁴ = 159077473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (159077419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79538744 + 79538745.

It is an arithmetic number, because the mean of its divisors is an integer number (79538745).

Almost surely, 2^159077489 is an apocalyptic number.

It is an amenable number.

159077489 is a deficient number, since it is larger than the sum of its proper divisors (1).

159077489 is an equidigital number, since it uses as much as digits as its factorization.

159077489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 159077489 is about 12612.5924773617. The cubic root of 159077489 is about 541.8381449143.

The spelling of 159077489 in words is "one hundred fifty-nine million, seventy-seven thousand, four hundred eighty-nine".