213927427 has 8 divisors (see below), whose sum is σ = 248496992. Its totient is φ = 180360000.

The previous prime is 213927401. The next prime is 213927457. The reversal of 213927427 is 724729312.

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 213927427 - 2¹⁹ = 213403139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213927457) 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, 250074 + ... + 250927.

It is an arithmetic number, because the mean of its divisors is an integer number (31062124).

Almost surely, 2^213927427 is an apocalyptic number.

213927427 is a deficient number, since it is larger than the sum of its proper divisors (34569565).

213927427 is an equidigital number, since it uses as much as digits as its factorization.

213927427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501069.

The product of its digits is 42336, while the sum is 37.

The square root of 213927427 is about 14626.2581339179. The cubic root of 213927427 is about 598.0747800802.

The spelling of 213927427 in words is "two hundred thirteen million, nine hundred twenty-seven thousand, four hundred twenty-seven".