242374879 has 2 divisors, whose sum is σ = 242374880. Its totient is φ = 242374878.

The previous prime is 242374861. The next prime is 242374927. The reversal of 242374879 is 978473242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242374879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242374859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121187439 + 121187440.

It is an arithmetic number, because the mean of its divisors is an integer number (121187440).

Almost surely, 2^242374879 is an apocalyptic number.

242374879 is a deficient number, since it is larger than the sum of its proper divisors (1).

242374879 is an equidigital number, since it uses as much as digits as its factorization.

242374879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 242374879 is about 15568.3935908622. The cubic root of 242374879 is about 623.4895828444.

It can be divided in two parts, 242374 and 879, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 242374879 in words is "two hundred forty-two million, three hundred seventy-four thousand, eight hundred seventy-nine".