82640234768743 has 8 divisors (see below), whose sum is σ = 82680458112000. Its totient is φ = 82600012241208.

The previous prime is 82640234768669. The next prime is 82640234768753. The reversal of 82640234768743 is 34786743204628.

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 82640234768743 - 2⁴¹ = 80441211513191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82640234768753) 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, 336932730 + ... + 337177912.

It is an arithmetic number, because the mean of its divisors is an integer number (10335057264000).

Almost surely, 2^{82640234768743} is an apocalyptic number.

82640234768743 is a deficient number, since it is larger than the sum of its proper divisors (40223343257).

82640234768743 is a wasteful number, since it uses less digits than its factorization.

82640234768743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407861.

The product of its (nonzero) digits is 260112384, while the sum is 64.

The spelling of 82640234768743 in words is "eighty-two trillion, six hundred forty billion, two hundred thirty-four million, seven hundred sixty-eight thousand, seven hundred forty-three".