159320487 has 4 divisors (see below), whose sum is σ = 212427320. Its totient is φ = 106213656.

The previous prime is 159320479. The next prime is 159320527. The reversal of 159320487 is 784023951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784023951 = 3 ⋅261341317.

It is not a de Polignac number, because 159320487 - 2³ = 159320479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159320417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26553412 + ... + 26553417.

It is an arithmetic number, because the mean of its divisors is an integer number (53106830).

Almost surely, 2^159320487 is an apocalyptic number.

159320487 is a deficient number, since it is larger than the sum of its proper divisors (53106833).

159320487 is an equidigital number, since it uses as much as digits as its factorization.

159320487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53106832.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 159320487 is about 12622.2219517801. The cubic root of 159320487 is about 542.1138985769.

The spelling of 159320487 in words is "one hundred fifty-nine million, three hundred twenty thousand, four hundred eighty-seven".