206937973227 has 4 divisors (see below), whose sum is σ = 275917297640. Its totient is φ = 137958648816.

The previous prime is 206937973213. The next prime is 206937973241. The reversal of 206937973227 is 722379739602.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (206937973213) and next prime (206937973241).

It is not a de Polignac number, because 206937973227 - 2²⁶ = 206870864363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206937973267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34489662202 + ... + 34489662207.

It is an arithmetic number, because the mean of its divisors is an integer number (68979324410).

Almost surely, 2^206937973227 is an apocalyptic number.

206937973227 is a deficient number, since it is larger than the sum of its proper divisors (68979324413).

206937973227 is an equidigital number, since it uses as much as digits as its factorization.

206937973227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68979324412.

The product of its (nonzero) digits is 12002256, while the sum is 57.

The spelling of 206937973227 in words is "two hundred six billion, nine hundred thirty-seven million, nine hundred seventy-three thousand, two hundred twenty-seven".