159287239797 has 16 divisors (see below), whose sum is σ = 242729375232. Its totient is φ = 91019044080.

The previous prime is 159287239781. The next prime is 159287239801. The reversal of 159287239797 is 797932782951.

It is not a de Polignac number, because 159287239797 - 2⁴ = 159287239781 is a prime.

It is a super-3 number, since 3×159287239797³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159287239757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198798 + ... + 1325024.

It is an arithmetic number, because the mean of its divisors is an integer number (15170585952).

Almost surely, 2^159287239797 is an apocalyptic number.

It is an amenable number.

159287239797 is a deficient number, since it is larger than the sum of its proper divisors (83442135435).

159287239797 is a wasteful number, since it uses less digits than its factorization.

159287239797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186328.

The product of its digits is 120022560, while the sum is 69.

The spelling of 159287239797 in words is "one hundred fifty-nine billion, two hundred eighty-seven million, two hundred thirty-nine thousand, seven hundred ninety-seven".