242881877 has 12 divisors (see below), whose sum is σ = 286410636. Its totient is φ = 205329600.

The previous prime is 242881867. The next prime is 242881927. The reversal of 242881877 is 778188242.

It can be written as a sum of positive squares in 2 ways, for example, as 158407396 + 84474481 = 12586^2 + 9191^2 .

It is not a de Polignac number, because 242881877 - 2⁶ = 242881813 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242881867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30374 + ... + 37527.

It is an arithmetic number, because the mean of its divisors is an integer number (23867553).

Almost surely, 2^242881877 is an apocalyptic number.

It is an amenable number.

242881877 is a deficient number, since it is larger than the sum of its proper divisors (43528759).

242881877 is an equidigital number, since it uses as much as digits as its factorization.

242881877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67988 (or 67981 counting only the distinct ones).

The product of its digits is 401408, while the sum is 47.

The square root of 242881877 is about 15584.6680105801. The cubic root of 242881877 is about 623.9240170535.

The spelling of 242881877 in words is "two hundred forty-two million, eight hundred eighty-one thousand, eight hundred seventy-seven".