213427087 has 8 divisors (see below), whose sum is σ = 214708032. Its totient is φ = 212150400.

The previous prime is 213427079. The next prime is 213427091. The reversal of 213427087 is 780724312.

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 213427087 - 2³ = 213427079 is a prime.

It is a super-2 number, since 2×213427087² = 91102242930611138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213427007) 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, 172762 + ... + 173992.

It is an arithmetic number, because the mean of its divisors is an integer number (26838504).

Almost surely, 2^213427087 is an apocalyptic number.

213427087 is a deficient number, since it is larger than the sum of its proper divisors (1280945).

213427087 is a wasteful number, since it uses less digits than its factorization.

213427087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 213427087 is about 14609.1439516489. The cubic root of 213427087 is about 597.6081509148.

The spelling of 213427087 in words is "two hundred thirteen million, four hundred twenty-seven thousand, eighty-seven".