159878630 has 8 divisors (see below), whose sum is σ = 287781552. Its totient is φ = 63951448.

The previous prime is 159878599. The next prime is 159878647. The reversal of 159878630 is 36878951.

It is a happy number.

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

It is a super-2 number, since 2×159878630² = 51122352661353800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7993922 + ... + 7993941.

It is an arithmetic number, because the mean of its divisors is an integer number (35972694).

Almost surely, 2^159878630 is an apocalyptic number.

159878630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159878630 is a deficient number, since it is larger than the sum of its proper divisors (127902922).

159878630 is a wasteful number, since it uses less digits than its factorization.

159878630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15987870.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 159878630 is about 12644.3121600188. The cubic root of 159878630 is about 542.7462182341.

The spelling of 159878630 in words is "one hundred fifty-nine million, eight hundred seventy-eight thousand, six hundred thirty".