87586212 has 24 divisors (see below), whose sum is σ = 233563456. Its totient is φ = 25024608.

The previous prime is 87586211. The next prime is 87586229. The reversal of 87586212 is 21268578.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (87586211) 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, 521263 + ... + 521430.

Almost surely, 2^87586212 is an apocalyptic number.

It is an amenable number.

87586212 is an abundant number, since it is smaller than the sum of its proper divisors (145977244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87586212 is a wasteful number, since it uses less digits than its factorization.

87586212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042707 (or 1042705 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 87586212 is about 9358.7505576332. The cubic root of 87586212 is about 444.0977586868.

The spelling of 87586212 in words is "eighty-seven million, five hundred eighty-six thousand, two hundred twelve".