864034257729 has 8 divisors (see below), whose sum is σ = 1152272433312. Its totient is φ = 575909460320.

The previous prime is 864034257719. The next prime is 864034257763. The reversal of 864034257729 is 927752430468.

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 864034257729 - 2⁷ = 864034257601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864034257719) 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, 28326759 + ... + 28357244.

It is an arithmetic number, because the mean of its divisors is an integer number (144034054164).

Almost surely, 2^864034257729 is an apocalyptic number.

It is an amenable number.

864034257729 is a deficient number, since it is larger than the sum of its proper divisors (288238175583).

864034257729 is a wasteful number, since it uses less digits than its factorization.

864034257729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56689087.

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 864034257729 in words is "eight hundred sixty-four billion, thirty-four million, two hundred fifty-seven thousand, seven hundred twenty-nine".