242776555764047 has 16 divisors (see below), whose sum is σ = 245634385893120. Its totient is φ = 239926105665792.

The previous prime is 242776555764037. The next prime is 242776555764049. The reversal of 242776555764047 is 740467555677242.

It is a cyclic number.

It is not a de Polignac number, because 242776555764047 - 2⁴² = 238378509252943 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 (242776555764049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346036268 + ... + 346737150.

It is an arithmetic number, because the mean of its divisors is an integer number (15352149118320).

Almost surely, 2^{242776555764047} is an apocalyptic number.

242776555764047 is a deficient number, since it is larger than the sum of its proper divisors (2857830129073).

242776555764047 is an equidigital number, since it uses as much as digits as its factorization.

242776555764047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706142.

The product of its (nonzero) digits is 2765952000, while the sum is 71.

The spelling of 242776555764047 in words is "two hundred forty-two trillion, seven hundred seventy-six billion, five hundred fifty-five million, seven hundred sixty-four thousand, forty-seven".