242477873 has 4 divisors (see below), whose sum is σ = 264521328. Its totient is φ = 220434420.

The previous prime is 242477863. The next prime is 242477881. The reversal of 242477873 is 378774242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242477873 - 2⁸ = 242477617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242477843) 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 in 3 ways as a sum of consecutive naturals, for example, 11021711 + ... + 11021732.

It is an arithmetic number, because the mean of its divisors is an integer number (66130332).

Almost surely, 2^242477873 is an apocalyptic number.

It is an amenable number.

242477873 is a deficient number, since it is larger than the sum of its proper divisors (22043455).

242477873 is a wasteful number, since it uses less digits than its factorization.

242477873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22043454.

The product of its digits is 526848, while the sum is 44.

The square root of 242477873 is about 15571.7010310370. The cubic root of 242477873 is about 623.5778848894.

The spelling of 242477873 in words is "two hundred forty-two million, four hundred seventy-seven thousand, eight hundred seventy-three".