966539687 has 4 divisors (see below), whose sum is σ = 970688160. Its totient is φ = 962391216.

The previous prime is 966539659. The next prime is 966539771. The reversal of 966539687 is 786935669.

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 966539687 - 2¹⁰ = 966538663 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 (966539627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073887 + ... + 2074352.

It is an arithmetic number, because the mean of its divisors is an integer number (242672040).

Almost surely, 2^966539687 is an apocalyptic number.

966539687 is a deficient number, since it is larger than the sum of its proper divisors (4148473).

966539687 is a wasteful number, since it uses less digits than its factorization.

966539687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148472.

The product of its digits is 14696640, while the sum is 59.

The square root of 966539687 is about 31089.2213958471. The cubic root of 966539687 is about 988.7197978141.

The spelling of 966539687 in words is "nine hundred sixty-six million, five hundred thirty-nine thousand, six hundred eighty-seven".