206086427 has 8 divisors (see below), whose sum is σ = 220839696. Its totient is φ = 191625472.

The previous prime is 206086421. The next prime is 206086457. The reversal of 206086427 is 724680602.

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-206086427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206086421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71618 + ... + 74439.

It is an arithmetic number, because the mean of its divisors is an integer number (27604962).

Almost surely, 2^206086427 is an apocalyptic number.

206086427 is a deficient number, since it is larger than the sum of its proper divisors (14753269).

206086427 is a wasteful number, since it uses less digits than its factorization.

206086427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146157.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 206086427 is about 14355.7106058878. The cubic root of 206086427 is about 590.6766411067.

The spelling of 206086427 in words is "two hundred six million, eighty-six thousand, four hundred twenty-seven".