213060087 has 12 divisors (see below), whose sum is σ = 311462424. Its totient is φ = 140328240.

The previous prime is 213060083. The next prime is 213060119. The reversal of 213060087 is 780060312.

213060087 is a `hidden beast` number, since 21 + 30 + 600 + 8 + 7 = 666.

It is not a de Polignac number, because 213060087 - 2² = 213060083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213060087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213060083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141864 + ... + 143357.

It is an arithmetic number, because the mean of its divisors is an integer number (25955202).

Almost surely, 2^213060087 is an apocalyptic number.

213060087 is a deficient number, since it is larger than the sum of its proper divisors (98402337).

213060087 is a wasteful number, since it uses less digits than its factorization.

213060087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285310 (or 285307 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 213060087 is about 14596.5779208690. The cubic root of 213060087 is about 597.2654140001.

The spelling of 213060087 in words is "two hundred thirteen million, sixty thousand, eighty-seven".