287106085 has 16 divisors (see below), whose sum is σ = 394655616. Its totient is φ = 196417728.

The previous prime is 287106073. The next prime is 287106089. The reversal of 287106085 is 580601782.

It is a cyclic number.

It is not a de Polignac number, because 287106085 - 2⁷ = 287105957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287106089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6247 + ... + 24763.

It is an arithmetic number, because the mean of its divisors is an integer number (24665976).

Almost surely, 2^287106085 is an apocalyptic number.

It is an amenable number.

287106085 is a deficient number, since it is larger than the sum of its proper divisors (107549531).

287106085 is a wasteful number, since it uses less digits than its factorization.

287106085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18972.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 287106085 is about 16944.2050565968. The cubic root of 287106085 is about 659.7014911185.

The spelling of 287106085 in words is "two hundred eighty-seven million, one hundred six thousand, eighty-five".