159736897 has 2 divisors, whose sum is σ = 159736898. Its totient is φ = 159736896.

The previous prime is 159736891. The next prime is 159736919. The reversal of 159736897 is 798637951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151807041 + 7929856 = 12321^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 159736897 - 2¹¹ = 159734849 is a prime.

It is not a weakly prime, because it can be changed into another prime (159736891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79868448 + 79868449.

It is an arithmetic number, because the mean of its divisors is an integer number (79868449).

Almost surely, 2^159736897 is an apocalyptic number.

It is an amenable number.

159736897 is a deficient number, since it is larger than the sum of its proper divisors (1).

159736897 is an equidigital number, since it uses as much as digits as its factorization.

159736897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 55.

The square root of 159736897 is about 12638.7063024662. The cubic root of 159736897 is about 542.5857886374.

The spelling of 159736897 in words is "one hundred fifty-nine million, seven hundred thirty-six thousand, eight hundred ninety-seven".