87512248 has 8 divisors (see below), whose sum is σ = 164085480. Its totient is φ = 43756120.

The previous prime is 87512231. The next prime is 87512273. The reversal of 87512248 is 84221578.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5469508 + ... + 5469523.

It is an arithmetic number, because the mean of its divisors is an integer number (20510685).

Almost surely, 2^87512248 is an apocalyptic number.

It is an amenable number.

87512248 is a deficient number, since it is larger than the sum of its proper divisors (76573232).

87512248 is a wasteful number, since it uses less digits than its factorization.

87512248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10939037 (or 10939033 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 87512248 is about 9354.7981271645. The cubic root of 87512248 is about 443.9727142824.

The spelling of 87512248 in words is "eighty-seven million, five hundred twelve thousand, two hundred forty-eight".