966521772 has 36 divisors (see below), whose sum is σ = 2444169000. Its totient is φ = 322039872.

The previous prime is 966521753. The next prime is 966521779. The reversal of 966521772 is 277125669.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (966521779) 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 11 ways as a sum of consecutive naturals, for example, 122128 + ... + 129800.

Almost surely, 2^966521772 is an apocalyptic number.

It is an amenable number.

966521772 is an abundant number, since it is smaller than the sum of its proper divisors (1477647228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

966521772 is a wasteful number, since it uses less digits than its factorization.

966521772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11182 (or 11177 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 966521772 is about 31088.9332721469. The cubic root of 966521772 is about 988.7136890721.

The spelling of 966521772 in words is "nine hundred sixty-six million, five hundred twenty-one thousand, seven hundred seventy-two".