242587911873 has 8 divisors (see below), whose sum is σ = 342477052128. Its totient is φ = 152212023104.

The previous prime is 242587911869. The next prime is 242587911877. The reversal of 242587911873 is 378119785242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242587911869) and next prime (242587911877).

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 242587911873 - 2² = 242587911869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242587911877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2378312811 + ... + 2378312912.

It is an arithmetic number, because the mean of its divisors is an integer number (42809631516).

Almost surely, 2^242587911873 is an apocalyptic number.

It is an amenable number.

242587911873 is a deficient number, since it is larger than the sum of its proper divisors (99889140255).

242587911873 is a wasteful number, since it uses less digits than its factorization.

242587911873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756625743.

The product of its digits is 6773760, while the sum is 57.

The spelling of 242587911873 in words is "two hundred forty-two billion, five hundred eighty-seven million, nine hundred eleven thousand, eight hundred seventy-three".