87632768 has 32 divisors (see below), whose sum is σ = 175172760. Its totient is φ = 43667968.

The previous prime is 87632767. The next prime is 87632771. The reversal of 87632768 is 86723678.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87632767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43430 + ... + 45402.

Almost surely, 2^87632768 is an apocalyptic number.

It is an amenable number.

87632768 is a deficient number, since it is larger than the sum of its proper divisors (87539992).

87632768 is a wasteful number, since it uses less digits than its factorization.

87632768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334 (or 2322 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 87632768 is about 9361.2375250284. The cubic root of 87632768 is about 444.1764307082.

The spelling of 87632768 in words is "eighty-seven million, six hundred thirty-two thousand, seven hundred sixty-eight".