207666047 has 8 divisors (see below), whose sum is σ = 209848320. Its totient is φ = 205493080.

The previous prime is 207666001. The next prime is 207666077. The reversal of 207666047 is 740666702.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 207666047 - 2¹⁶ = 207600511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 207666047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207666077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48104 + ... + 52242.

It is an arithmetic number, because the mean of its divisors is an integer number (26231040).

Almost surely, 2^207666047 is an apocalyptic number.

207666047 is a deficient number, since it is larger than the sum of its proper divisors (2182273).

207666047 is a wasteful number, since it uses less digits than its factorization.

207666047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 207666047 is about 14410.6227138177. The cubic root of 207666047 is about 592.1819494522.

The spelling of 207666047 in words is "two hundred seven million, six hundred sixty-six thousand, forty-seven".