864777673317 has 8 divisors (see below), whose sum is σ = 1220862597696. Its totient is φ = 542605598912.

The previous prime is 864777673297. The next prime is 864777673327. The reversal of 864777673317 is 713376777468.

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 864777673317 - 2³⁵ = 830417934949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864777673327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8478212433 + ... + 8478212534.

It is an arithmetic number, because the mean of its divisors is an integer number (152607824712).

Almost surely, 2^864777673317 is an apocalyptic number.

It is an amenable number.

864777673317 is a deficient number, since it is larger than the sum of its proper divisors (356084924379).

864777673317 is a wasteful number, since it uses less digits than its factorization.

864777673317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16956424987.

The product of its digits is 174254976, while the sum is 66.

The spelling of 864777673317 in words is "eight hundred sixty-four billion, seven hundred seventy-seven million, six hundred seventy-three thousand, three hundred seventeen".