287112288 has 24 divisors (see below), whose sum is σ = 753670008. Its totient is φ = 95704064.

The previous prime is 287112283. The next prime is 287112313. The reversal of 287112288 is 882211782.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287112281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495281 + ... + 1495472.

It is an arithmetic number, because the mean of its divisors is an integer number (31402917).

Almost surely, 2^287112288 is an apocalyptic number.

It is an amenable number.

287112288 is an abundant number, since it is smaller than the sum of its proper divisors (466557720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

287112288 is a wasteful number, since it uses less digits than its factorization.

287112288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990766 (or 2990758 counting only the distinct ones).

The product of its digits is 28672, while the sum is 39.

The square root of 287112288 is about 16944.3880975384. The cubic root of 287112288 is about 659.7062420905.

It can be divided in two parts, 287 and 112288, that added together give a triangular number (112575 = T₄₇₄).

The spelling of 287112288 in words is "two hundred eighty-seven million, one hundred twelve thousand, two hundred eighty-eight".