966763321 has 4 divisors (see below), whose sum is σ = 983149200. Its totient is φ = 950377444.

The previous prime is 966763289. The next prime is 966763337. The reversal of 966763321 is 123367669.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 966763321 - 2⁵ = 966763289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966763381) 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, 8192851 + ... + 8192968.

It is an arithmetic number, because the mean of its divisors is an integer number (245787300).

Almost surely, 2^966763321 is an apocalyptic number.

It is an amenable number.

966763321 is a deficient number, since it is larger than the sum of its proper divisors (16385879).

966763321 is a wasteful number, since it uses less digits than its factorization.

966763321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16385878.

The product of its digits is 244944, while the sum is 43.

The square root of 966763321 is about 31092.8178362785. The cubic root of 966763321 is about 988.7960472481.

The spelling of 966763321 in words is "nine hundred sixty-six million, seven hundred sixty-three thousand, three hundred twenty-one".