87654412 has 12 divisors (see below), whose sum is σ = 155995560. Its totient is φ = 43084256.

The previous prime is 87654407. The next prime is 87654419. The reversal of 87654412 is 21445678.

It is not an unprimeable number, because it can be changed into a prime (87654419) 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, 185473 + ... + 185944.

It is an arithmetic number, because the mean of its divisors is an integer number (12999630).

Almost surely, 2^87654412 is an apocalyptic number.

It is an amenable number.

87654412 is a deficient number, since it is larger than the sum of its proper divisors (68341148).

87654412 is a wasteful number, since it uses less digits than its factorization.

87654412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371480 (or 371478 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 87654412 is about 9362.3934973916. The cubic root of 87654412 is about 444.2129960384.

The spelling of 87654412 in words is "eighty-seven million, six hundred fifty-four thousand, four hundred twelve".