242486887 has 2 divisors, whose sum is σ = 242486888. Its totient is φ = 242486886.

The previous prime is 242486851. The next prime is 242486891. The reversal of 242486887 is 788684242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242486887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242486887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242486837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121243443 + 121243444.

It is an arithmetic number, because the mean of its divisors is an integer number (121243444).

Almost surely, 2^242486887 is an apocalyptic number.

242486887 is a deficient number, since it is larger than the sum of its proper divisors (1).

242486887 is an equidigital number, since it uses as much as digits as its factorization.

242486887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1376256, while the sum is 49.

The square root of 242486887 is about 15571.9904636498. The cubic root of 242486887 is about 623.5856118644.

The spelling of 242486887 in words is "two hundred forty-two million, four hundred eighty-six thousand, eight hundred eighty-seven".