159979802 has 8 divisors (see below), whose sum is σ = 240088212. Its totient is φ = 79950400.

The previous prime is 159979801. The next prime is 159979817. The reversal of 159979802 is 208979951.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 137616361 + 22363441 = 11731^2 + 4729^2 .

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

It is not an unprimeable number, because it can be changed into a prime (159979801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14399 + ... + 22962.

Almost surely, 2^159979802 is an apocalyptic number.

159979802 is a deficient number, since it is larger than the sum of its proper divisors (80108410).

159979802 is a wasteful number, since it uses less digits than its factorization.

159979802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39504.

The product of its (nonzero) digits is 408240, while the sum is 50.

The square root of 159979802 is about 12648.3122194228. The cubic root of 159979802 is about 542.8606782714.

The spelling of 159979802 in words is "one hundred fifty-nine million, nine hundred seventy-nine thousand, eight hundred two".