242987348867 has 4 divisors (see below), whose sum is σ = 242988597456. Its totient is φ = 242986100280.

The previous prime is 242987348833. The next prime is 242987348881. The reversal of 242987348867 is 768843789242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242987348867 - 2²⁴ = 242970571651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242987348797 and 242987348806.

It is not an unprimeable number, because it can be changed into a prime (242980348867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262484 + ... + 744897.

It is an arithmetic number, because the mean of its divisors is an integer number (60747149364).

Almost surely, 2^242987348867 is an apocalyptic number.

242987348867 is a deficient number, since it is larger than the sum of its proper divisors (1248589).

242987348867 is a wasteful number, since it uses less digits than its factorization.

242987348867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248588.

The product of its digits is 260112384, while the sum is 68.

The spelling of 242987348867 in words is "two hundred forty-two billion, nine hundred eighty-seven million, three hundred forty-eight thousand, eight hundred sixty-seven".