87271544 has 16 divisors (see below), whose sum is σ = 163768200. Its totient is φ = 43600032.

The previous prime is 87271543. The next prime is 87271577. The reversal of 87271544 is 44517278.

It is a junction number, because it is equal to n+sod(n) for n = 87271498 and 87271507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87271543) 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 3 ways as a sum of consecutive naturals, for example, 7934 + ... + 15410.

Almost surely, 2^87271544 is an apocalyptic number.

It is an amenable number.

87271544 is a deficient number, since it is larger than the sum of its proper divisors (76496656).

87271544 is a wasteful number, since it uses less digits than its factorization.

87271544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942 (or 8938 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

The square root of 87271544 is about 9341.9239988345. The cubic root of 87271544 is about 443.5652888854.

The spelling of 87271544 in words is "eighty-seven million, two hundred seventy-one thousand, five hundred forty-four".