207214689 has 16 divisors (see below), whose sum is σ = 309551040. Its totient is φ = 122189760.

The previous prime is 207214663. The next prime is 207214699. The reversal of 207214689 is 986412702.

It is not a de Polignac number, because 207214689 - 2⁸ = 207214433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (207214619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83634 + ... + 86075.

It is an arithmetic number, because the mean of its divisors is an integer number (19346940).

Almost surely, 2^207214689 is an apocalyptic number.

It is an amenable number.

207214689 is a deficient number, since it is larger than the sum of its proper divisors (102336351).

207214689 is a wasteful number, since it uses less digits than its factorization.

207214689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169760.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 207214689 is about 14394.9535949235. The cubic root of 207214689 is about 591.7526063709.

It can be divided in two parts, 2072 and 14689, that added together give a palindrome (16761).

The spelling of 207214689 in words is "two hundred seven million, two hundred fourteen thousand, six hundred eighty-nine".