960781321 has 8 divisors (see below), whose sum is σ = 966536064. Its totient is φ = 955043760.

The previous prime is 960781313. The next prime is 960781337. The reversal of 960781321 is 123187069.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 960781321 - 2³ = 960781313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (960781351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118035 + ... + 125911.

It is an arithmetic number, because the mean of its divisors is an integer number (120817008).

Almost surely, 2^960781321 is an apocalyptic number.

It is an amenable number.

960781321 is a deficient number, since it is larger than the sum of its proper divisors (5754743).

960781321 is a wasteful number, since it uses less digits than its factorization.

960781321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 960781321 is about 30996.4727186820. The cubic root of 960781321 is about 986.7523826165.

The spelling of 960781321 in words is "nine hundred sixty million, seven hundred eighty-one thousand, three hundred twenty-one".