243042079927 has 8 divisors (see below), whose sum is σ = 245492661600. Its totient is φ = 240592365600.

The previous prime is 243042079909. The next prime is 243042079949. The reversal of 243042079927 is 729970240342.

It is a happy number.

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 243042079927 - 2¹⁹ = 243041555639 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 (243042070927) 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 7 ways as a sum of consecutive naturals, for example, 353949 + ... + 781897.

It is an arithmetic number, because the mean of its divisors is an integer number (30686582700).

Almost surely, 2^243042079927 is an apocalyptic number.

243042079927 is a deficient number, since it is larger than the sum of its proper divisors (2450581673).

243042079927 is a wasteful number, since it uses less digits than its factorization.

243042079927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433673.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 243042079927 in words is "two hundred forty-three billion, forty-two million, seventy-nine thousand, nine hundred twenty-seven".