87673568 has 36 divisors (see below), whose sum is σ = 175218120. Its totient is φ = 43183296.

The previous prime is 87673559. The next prime is 87673577. The reversal of 87673568 is 86537678.

It is an interprime number because it is at equal distance from previous prime (87673559) and next prime (87673577).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 199493 + ... + 199931.

It is an arithmetic number, because the mean of its divisors is an integer number (4867170).

Almost surely, 2^87673568 is an apocalyptic number.

It is an amenable number.

87673568 is a deficient number, since it is larger than the sum of its proper divisors (87544552).

87673568 is an equidigital number, since it uses as much as digits as its factorization.

87673568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 520 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 87673568 is about 9363.4164704984. The cubic root of 87673568 is about 444.2453531256.

The spelling of 87673568 in words is "eighty-seven million, six hundred seventy-three thousand, five hundred sixty-eight".