87686112 has 24 divisors (see below), whose sum is σ = 230176296. Its totient is φ = 29228672.

The previous prime is 87686089. The next prime is 87686117. The reversal of 87686112 is 21168678.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87686117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456603 + ... + 456794.

It is an arithmetic number, because the mean of its divisors is an integer number (9590679).

Almost surely, 2^87686112 is an apocalyptic number.

It is an amenable number.

87686112 is an abundant number, since it is smaller than the sum of its proper divisors (142490184).

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

87686112 is a wasteful number, since it uses less digits than its factorization.

87686112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913410 (or 913402 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 87686112 is about 9364.0862875136. The cubic root of 87686112 is about 444.2665390926.

The spelling of 87686112 in words is "eighty-seven million, six hundred eighty-six thousand, one hundred twelve".