87383812 has 36 divisors (see below), whose sum is σ = 164629360. Its totient is φ = 40463280.

The previous prime is 87383809. The next prime is 87383819. The reversal of 87383812 is 21838378.

It is not an unprimeable number, because it can be changed into a prime (87383819) 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 in 11 ways as a sum of consecutive naturals, for example, 666987 + ... + 667117.

Almost surely, 2^87383812 is an apocalyptic number.

It is an amenable number.

87383812 is a deficient number, since it is larger than the sum of its proper divisors (77245548).

87383812 is a wasteful number, since it uses less digits than its factorization.

87383812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 219 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 87383812 is about 9347.9308940535. The cubic root of 87383812 is about 443.7554113735.

The spelling of 87383812 in words is "eighty-seven million, three hundred eighty-three thousand, eight hundred twelve".