159939878 has 16 divisors (see below), whose sum is σ = 276026400. Its totient is φ = 68084736.

The previous prime is 159939877. The next prime is 159939883. The reversal of 159939878 is 878939951.

159939878 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159939877) 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, 36251 + ... + 40422.

It is an arithmetic number, because the mean of its divisors is an integer number (17251650).

Almost surely, 2^159939878 is an apocalyptic number.

159939878 is a deficient number, since it is larger than the sum of its proper divisors (116086522).

159939878 is a wasteful number, since it uses less digits than its factorization.

159939878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76831.

The product of its digits is 4898880, while the sum is 59.

The square root of 159939878 is about 12646.7338866602. The cubic root of 159939878 is about 542.8155163768.

The spelling of 159939878 in words is "one hundred fifty-nine million, nine hundred thirty-nine thousand, eight hundred seventy-eight".