87412112 has 10 divisors (see below), whose sum is σ = 169360998. Its totient is φ = 43706048.

The previous prime is 87412111. The next prime is 87412139. The reversal of 87412112 is 21121478.

It can be written as a sum of positive squares in only one way, i.e., 82011136 + 5400976 = 9056^2 + 2324^2 .

It is not an unprimeable number, because it can be changed into a prime (87412111) 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 as a sum of consecutive naturals, namely, 2731613 + ... + 2731644.

Almost surely, 2^87412112 is an apocalyptic number.

It is an amenable number.

87412112 is a deficient number, since it is larger than the sum of its proper divisors (81948886).

87412112 is a wasteful number, since it uses less digits than its factorization.

87412112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5463265 (or 5463259 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 87412112 is about 9349.4444754755. Note that the first 4 decimals coincide. The cubic root of 87412112 is about 443.8033108734.

The spelling of 87412112 in words is "eighty-seven million, four hundred twelve thousand, one hundred twelve".