87827724 has 36 divisors (see below), whose sum is σ = 222322464. Its totient is φ = 29234592.

The previous prime is 87827723. The next prime is 87827737. The reversal of 87827724 is 42772878.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 87827724.

It is not an unprimeable number, because it can be changed into a prime (87827723) 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 11 ways as a sum of consecutive naturals, for example, 34669 + ... + 37115.

It is an arithmetic number, because the mean of its divisors is an integer number (6175624).

Almost surely, 2^87827724 is an apocalyptic number.

It is an amenable number.

87827724 is an abundant number, since it is smaller than the sum of its proper divisors (134494740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87827724 is a wasteful number, since it uses less digits than its factorization.

87827724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454 (or 3449 counting only the distinct ones).

The product of its digits is 351232, while the sum is 45.

The square root of 87827724 is about 9371.6446795640. The cubic root of 87827724 is about 444.5055721386.

The spelling of 87827724 in words is "eighty-seven million, eight hundred twenty-seven thousand, seven hundred twenty-four".