287223627872 has 12 divisors (see below), whose sum is σ = 565471517436. Its totient is φ = 143611813920.

The previous prime is 287223627851. The next prime is 287223627919. The reversal of 287223627872 is 278726322782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4487869154 + ... + 4487869217.

It is an arithmetic number, because the mean of its divisors is an integer number (47122626453).

Almost surely, 2^287223627872 is an apocalyptic number.

It is an amenable number.

287223627872 is a deficient number, since it is larger than the sum of its proper divisors (278247889564).

287223627872 is an equidigital number, since it uses as much as digits as its factorization.

287223627872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8975738381 (or 8975738373 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 56.

The spelling of 287223627872 in words is "two hundred eighty-seven billion, two hundred twenty-three million, six hundred twenty-seven thousand, eight hundred seventy-two".