87015256 has 16 divisors (see below), whose sum is σ = 170247600. Its totient is φ = 41615904.

The previous prime is 87015239. The next prime is 87015259. The reversal of 87015256 is 65251078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87015259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236271 + ... + 236638.

It is an arithmetic number, because the mean of its divisors is an integer number (10640475).

Almost surely, 2^87015256 is an apocalyptic number.

It is an amenable number.

87015256 is a deficient number, since it is larger than the sum of its proper divisors (83232344).

87015256 is a wasteful number, since it uses less digits than its factorization.

87015256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472938 (or 472934 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 87015256 is about 9328.1968246816. The cubic root of 87015256 is about 443.1306610627.

The spelling of 87015256 in words is "eighty-seven million, fifteen thousand, two hundred fifty-six".