207439085 has 16 divisors (see below), whose sum is σ = 289858176. Its totient is φ = 139558848.

The previous prime is 207439079. The next prime is 207439129. The reversal of 207439085 is 580934702.

It is a cyclic number.

It is not a de Polignac number, because 207439085 - 2¹⁶ = 207373549 is a prime.

It is a Duffinian number.

It is a Curzon 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, 54059 + ... + 57768.

It is an arithmetic number, because the mean of its divisors is an integer number (18116136).

Almost surely, 2^207439085 is an apocalyptic number.

It is an amenable number.

207439085 is a deficient number, since it is larger than the sum of its proper divisors (82419091).

207439085 is a wasteful number, since it uses less digits than its factorization.

207439085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111892.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 207439085 is about 14402.7457451696. The cubic root of 207439085 is about 591.9661353361.

The spelling of 207439085 in words is "two hundred seven million, four hundred thirty-nine thousand, eighty-five".