287878126 has 8 divisors (see below), whose sum is σ = 432087480. Its totient is φ = 143848968.

The previous prime is 287878111. The next prime is 287878127. The reversal of 287878126 is 621878782.

287878126 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 287878126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287878127) 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, 40981 + ... + 47488.

It is an arithmetic number, because the mean of its divisors is an integer number (54010935).

Almost surely, 2^287878126 is an apocalyptic number.

287878126 is a deficient number, since it is larger than the sum of its proper divisors (144209354).

287878126 is a wasteful number, since it uses less digits than its factorization.

287878126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90098.

The product of its digits is 602112, while the sum is 49.

The square root of 287878126 is about 16966.9716213590. The cubic root of 287878126 is about 660.2922840708.

The spelling of 287878126 in words is "two hundred eighty-seven million, eight hundred seventy-eight thousand, one hundred twenty-six".