287072163 has 12 divisors (see below), whose sum is σ = 473897008. Its totient is φ = 164041200.

The previous prime is 287072147. The next prime is 287072173. The reversal of 287072163 is 361270782.

It is not a de Polignac number, because 287072163 - 2⁴ = 287072147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (287072173) 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, 2278288 + ... + 2278413.

Almost surely, 2^287072163 is an apocalyptic number.

287072163 is a deficient number, since it is larger than the sum of its proper divisors (186824845).

287072163 is a wasteful number, since it uses less digits than its factorization.

287072163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556714 (or 4556711 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 287072163 is about 16943.2040358369. The cubic root of 287072163 is about 659.6755085328.

The spelling of 287072163 in words is "two hundred eighty-seven million, seventy-two thousand, one hundred sixty-three".