287572085 has 16 divisors (see below), whose sum is σ = 373165056. Its totient is φ = 211915008.

The previous prime is 287572079. The next prime is 287572099. The reversal of 287572085 is 580275782.

It is a cyclic number.

It is not a de Polignac number, because 287572085 - 2¹⁴ = 287555701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31997 + ... + 39986.

It is an arithmetic number, because the mean of its divisors is an integer number (23322816).

Almost surely, 2^287572085 is an apocalyptic number.

It is an amenable number.

287572085 is a deficient number, since it is larger than the sum of its proper divisors (85592971).

287572085 is a wasteful number, since it uses less digits than its factorization.

287572085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72052.

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 287572085 is about 16957.9504952692. The cubic root of 287572085 is about 660.0582172399.

The spelling of 287572085 in words is "two hundred eighty-seven million, five hundred seventy-two thousand, eighty-five".