159849677 has 4 divisors (see below), whose sum is σ = 172145820. Its totient is φ = 147553536.

The previous prime is 159849667. The next prime is 159849689. The reversal of 159849677 is 776948951.

159849677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76930441 + 82919236 = 8771^2 + 9106^2 .

It is not a de Polignac number, because 159849677 - 2⁴ = 159849661 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 (159849637) 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, 6148052 + ... + 6148077.

It is an arithmetic number, because the mean of its divisors is an integer number (43036455).

Almost surely, 2^159849677 is an apocalyptic number.

It is an amenable number.

159849677 is a deficient number, since it is larger than the sum of its proper divisors (12296143).

159849677 is a wasteful number, since it uses less digits than its factorization.

159849677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12296142.

The product of its digits is 3810240, while the sum is 56.

The square root of 159849677 is about 12643.1672060445. The cubic root of 159849677 is about 542.7134536302.

The spelling of 159849677 in words is "one hundred fifty-nine million, eight hundred forty-nine thousand, six hundred seventy-seven".