966617239867 has 4 divisors (see below), whose sum is σ = 973672840296. Its totient is φ = 959561639440.

The previous prime is 966617239853. The next prime is 966617239873. The reversal of 966617239867 is 768932716669.

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

It is a cyclic number.

It is not a de Polignac number, because 966617239867 - 2³⁹ = 416861425979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 966617239796 and 966617239805.

It is not an unprimeable number, because it can be changed into a prime (966617239877) 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, 3527800009 + ... + 3527800282.

It is an arithmetic number, because the mean of its divisors is an integer number (243418210074).

Almost surely, 2^966617239867 is an apocalyptic number.

966617239867 is a deficient number, since it is larger than the sum of its proper divisors (7055600429).

966617239867 is a wasteful number, since it uses less digits than its factorization.

966617239867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055600428.

The product of its digits is 246903552, while the sum is 70.

The spelling of 966617239867 in words is "nine hundred sixty-six billion, six hundred seventeen million, two hundred thirty-nine thousand, eight hundred sixty-seven".