159488797 has 8 divisors (see below), whose sum is σ = 173459160. Its totient is φ = 145761600.

The previous prime is 159488789. The next prime is 159488807. The reversal of 159488797 is 797884951.

It can be written as a sum of positive squares in 4 ways, for example, as 56385081 + 103103716 = 7509^2 + 10154^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159488797 - 2³ = 159488789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159488897) 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 in 7 ways as a sum of consecutive naturals, for example, 59422 + ... + 62047.

It is an arithmetic number, because the mean of its divisors is an integer number (21682395).

Almost surely, 2^159488797 is an apocalyptic number.

It is an amenable number.

159488797 is a deficient number, since it is larger than the sum of its proper divisors (13970363).

159488797 is a wasteful number, since it uses less digits than its factorization.

159488797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121583.

The product of its digits is 5080320, while the sum is 58.

The square root of 159488797 is about 12628.8874015093. The cubic root of 159488797 is about 542.3047321190.

The spelling of 159488797 in words is "one hundred fifty-nine million, four hundred eighty-eight thousand, seven hundred ninety-seven".