966487897 has 4 divisors (see below), whose sum is σ = 967924660. Its totient is φ = 965051136.

The previous prime is 966487871. The next prime is 966487919. The reversal of 966487897 is 798784669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798784669 = 6991 ⋅114259.

It can be written as a sum of positive squares in 2 ways, for example, as 113614281 + 852873616 = 10659^2 + 29204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-966487897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966487867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717372 + ... + 718717.

It is an arithmetic number, because the mean of its divisors is an integer number (241981165).

Almost surely, 2^966487897 is an apocalyptic number.

It is an amenable number.

966487897 is a deficient number, since it is larger than the sum of its proper divisors (1436763).

966487897 is a wasteful number, since it uses less digits than its factorization.

966487897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436762.

The product of its digits is 36578304, while the sum is 64.

The square root of 966487897 is about 31088.3884593589. The cubic root of 966487897 is about 988.7021380071.

The spelling of 966487897 in words is "nine hundred sixty-six million, four hundred eighty-seven thousand, eight hundred ninety-seven".