159802387 has 2 divisors, whose sum is σ = 159802388. Its totient is φ = 159802386.

The previous prime is 159802381. The next prime is 159802399. The reversal of 159802387 is 783208951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159802387 - 2¹⁵ = 159769619 is a prime.

It is not a weakly prime, because it can be changed into another prime (159802381) 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 as a sum of consecutive naturals, namely, 79901193 + 79901194.

It is an arithmetic number, because the mean of its divisors is an integer number (79901194).

Almost surely, 2^159802387 is an apocalyptic number.

159802387 is a deficient number, since it is larger than the sum of its proper divisors (1).

159802387 is an equidigital number, since it uses as much as digits as its factorization.

159802387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 159802387 is about 12641.2968875824. The cubic root of 159802387 is about 542.6599294880.

The spelling of 159802387 in words is "one hundred fifty-nine million, eight hundred two thousand, three hundred eighty-seven".