87872384 has 16 divisors (see below), whose sum is σ = 175058520. Its totient is φ = 43936128.

The previous prime is 87872341. The next prime is 87872387. The reversal of 87872384 is 48327878.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87872387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343124 + ... + 343379.

Almost surely, 2^87872384 is an apocalyptic number.

It is an amenable number.

87872384 is a deficient number, since it is larger than the sum of its proper divisors (87186136).

87872384 is an equidigital number, since it uses as much as digits as its factorization.

87872384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686517 (or 686505 counting only the distinct ones).

The product of its digits is 602112, while the sum is 47.

The square root of 87872384 is about 9374.0270961844. The cubic root of 87872384 is about 444.5809023953.

The spelling of 87872384 in words is "eighty-seven million, eight hundred seventy-two thousand, three hundred eighty-four".