966746881 has 4 divisors (see below), whose sum is σ = 967458564. Its totient is φ = 966035200.

The previous prime is 966746821. The next prime is 966746887. The reversal of 966746881 is 188647669.

It is a happy number.

966746881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 595799281 + 370947600 = 24409^2 + 19260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-966746881 is a prime.

It is a super-2 number, since 2×966746881² = 1869199063846456322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966746887) 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, 353800 + ... + 356521.

It is an arithmetic number, because the mean of its divisors is an integer number (241864641).

Almost surely, 2^966746881 is an apocalyptic number.

It is an amenable number.

966746881 is a deficient number, since it is larger than the sum of its proper divisors (711683).

966746881 is a wasteful number, since it uses less digits than its factorization.

966746881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711682.

The product of its digits is 3483648, while the sum is 55.

The square root of 966746881 is about 31092.5534654200. The cubic root of 966746881 is about 988.7904423260.

The spelling of 966746881 in words is "nine hundred sixty-six million, seven hundred forty-six thousand, eight hundred eighty-one".