87427213 has 8 divisors (see below), whose sum is σ = 90929696. Its totient is φ = 83991600.

The previous prime is 87427201. The next prime is 87427237. The reversal of 87427213 is 31272478.

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 87427213 - 2⁹ = 87426701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87427273) 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, 14043 + ... + 19288.

It is an arithmetic number, because the mean of its divisors is an integer number (11366212).

Almost surely, 2^87427213 is an apocalyptic number.

It is an amenable number.

87427213 is a deficient number, since it is larger than the sum of its proper divisors (3502483).

87427213 is a wasteful number, since it uses less digits than its factorization.

87427213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33435.

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

The square root of 87427213 is about 9350.2520286889. The cubic root of 87427213 is about 443.8288660196.

The spelling of 87427213 in words is "eighty-seven million, four hundred twenty-seven thousand, two hundred thirteen".