872142944743 has 24 divisors (see below), whose sum is σ = 1044991967712. Its totient is φ = 727346493216.

The previous prime is 872142944683. The next prime is 872142944767. The reversal of 872142944743 is 347449241278.

It is a de Polignac number, because none of the positive numbers 2^k-872142944743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872142944773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79380 + ... + 1323097.

It is an arithmetic number, because the mean of its divisors is an integer number (43541331988).

Almost surely, 2^872142944743 is an apocalyptic number.

872142944743 is a deficient number, since it is larger than the sum of its proper divisors (172849022969).

872142944743 is an frugal number, since it uses more digits than its factorization.

872142944743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402549 (or 1402521 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 55.

The spelling of 872142944743 in words is "eight hundred seventy-two billion, one hundred forty-two million, nine hundred forty-four thousand, seven hundred forty-three".