966480891 has 4 divisors (see below), whose sum is σ = 1288641192. Its totient is φ = 644320592.

The previous prime is 966480877. The next prime is 966480913. The reversal of 966480891 is 198084669.

It is a happy number.

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 966480891 - 2⁷ = 966480763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (966480841) 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, 161080146 + ... + 161080151.

It is an arithmetic number, because the mean of its divisors is an integer number (322160298).

Almost surely, 2^966480891 is an apocalyptic number.

966480891 is a deficient number, since it is larger than the sum of its proper divisors (322160301).

966480891 is a wasteful number, since it uses less digits than its factorization.

966480891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322160300.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 966480891 is about 31088.2757804289. The cubic root of 966480891 is about 988.6997489915.

The spelling of 966480891 in words is "nine hundred sixty-six million, four hundred eighty thousand, eight hundred ninety-one".