87966231 has 8 divisors (see below), whose sum is σ = 118940544. Its totient is φ = 57818040.

The previous prime is 87966199. The next prime is 87966247. The reversal of 87966231 is 13266978.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87966231 - 2⁵ = 87966199 is a prime.

It is a super-3 number, since 3×87966231³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87966271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206281 + ... + 206706.

It is an arithmetic number, because the mean of its divisors is an integer number (14867568).

Almost surely, 2^87966231 is an apocalyptic number.

87966231 is a deficient number, since it is larger than the sum of its proper divisors (30974313).

87966231 is a wasteful number, since it uses less digits than its factorization.

87966231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413061.

The product of its digits is 108864, while the sum is 42.

The square root of 87966231 is about 9379.0314531939. The cubic root of 87966231 is about 444.7391156955.

The spelling of 87966231 in words is "eighty-seven million, nine hundred sixty-six thousand, two hundred thirty-one".