206981902327 has 8 divisors (see below), whose sum is σ = 217902902960. Its totient is φ = 196063623360.

The previous prime is 206981902307. The next prime is 206981902397. The reversal of 206981902327 is 723209189602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206981902327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206981902307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523374 + ... + 829387.

It is an arithmetic number, because the mean of its divisors is an integer number (27237862870).

Almost surely, 2^206981902327 is an apocalyptic number.

206981902327 is a deficient number, since it is larger than the sum of its proper divisors (10921000633).

206981902327 is a wasteful number, since it uses less digits than its factorization.

206981902327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360833.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 206981902327 in words is "two hundred six billion, nine hundred eighty-one million, nine hundred two thousand, three hundred twenty-seven".