159780387 has 8 divisors (see below), whose sum is σ = 229428304. Its totient is φ = 98326368.

The previous prime is 159780373. The next prime is 159780391. The reversal of 159780387 is 783087951.

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

It is not a de Polignac number, because 159780387 - 2⁴ = 159780371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159780347) 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 7 ways as a sum of consecutive naturals, for example, 2048428 + ... + 2048505.

It is an arithmetic number, because the mean of its divisors is an integer number (28678538).

Almost surely, 2^159780387 is an apocalyptic number.

159780387 is a deficient number, since it is larger than the sum of its proper divisors (69647917).

159780387 is a wasteful number, since it uses less digits than its factorization.

159780387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096949.

The product of its (nonzero) digits is 423360, while the sum is 48.

The square root of 159780387 is about 12640.4266937473. The cubic root of 159780387 is about 542.6350256749.

The spelling of 159780387 in words is "one hundred fifty-nine million, seven hundred eighty thousand, three hundred eighty-seven".