864451311 has 8 divisors (see below), whose sum is σ = 1154095920. Its totient is φ = 575553792.

The previous prime is 864451283. The next prime is 864451319. The reversal of 864451311 is 113154468.

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

It is not a de Polignac number, because 864451311 - 2¹⁰ = 864450287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864451319) 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 7 ways as a sum of consecutive naturals, for example, 184066 + ... + 188703.

It is an arithmetic number, because the mean of its divisors is an integer number (144261990).

Almost surely, 2^864451311 is an apocalyptic number.

864451311 is a deficient number, since it is larger than the sum of its proper divisors (289644609).

864451311 is a wasteful number, since it uses less digits than its factorization.

864451311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373545.

The product of its digits is 11520, while the sum is 33.

The square root of 864451311 is about 29401.5528671531. The cubic root of 864451311 is about 952.6064383228.

The spelling of 864451311 in words is "eight hundred sixty-four million, four hundred fifty-one thousand, three hundred eleven".