864934743 has 4 divisors (see below), whose sum is σ = 1153246328. Its totient is φ = 576623160.

The previous prime is 864934699. The next prime is 864934747. The reversal of 864934743 is 347439468.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 864934743 - 2⁸ = 864934487 is a prime.

It is a super-2 number, since 2×864934743² = 1496224219296952098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 864934692 and 864934701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864934747) 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 3 ways as a sum of consecutive naturals, for example, 144155788 + ... + 144155793.

It is an arithmetic number, because the mean of its divisors is an integer number (288311582).

Almost surely, 2^864934743 is an apocalyptic number.

864934743 is a deficient number, since it is larger than the sum of its proper divisors (288311585).

864934743 is a wasteful number, since it uses less digits than its factorization.

864934743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288311584.

The product of its digits is 1741824, while the sum is 48.

The square root of 864934743 is about 29409.7729164984. The cubic root of 864934743 is about 952.7839823942.

The spelling of 864934743 in words is "eight hundred sixty-four million, nine hundred thirty-four thousand, seven hundred forty-three".