242827089 has 4 divisors (see below), whose sum is σ = 323769456. Its totient is φ = 161884724.

The previous prime is 242827073. The next prime is 242827097. The reversal of 242827089 is 980728242.

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 242827089 - 2⁴ = 242827073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242827089.

It is not an unprimeable number, because it can be changed into a prime (242827019) 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, 40471179 + ... + 40471184.

It is an arithmetic number, because the mean of its divisors is an integer number (80942364).

Almost surely, 2^242827089 is an apocalyptic number.

It is an amenable number.

242827089 is a deficient number, since it is larger than the sum of its proper divisors (80942367).

242827089 is an equidigital number, since it uses as much as digits as its factorization.

242827089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80942366.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 242827089 is about 15582.9101582471. The cubic root of 242827089 is about 623.8770997068.

The spelling of 242827089 in words is "two hundred forty-two million, eight hundred twenty-seven thousand, eighty-nine".