87215152 has 20 divisors (see below), whose sum is σ = 174431296. Its totient is φ = 42200640.

The previous prime is 87215143. The next prime is 87215153. The reversal of 87215152 is 25151278.

87215152 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (87215153) 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 3 ways as a sum of consecutive naturals, for example, 87423 + ... + 88414.

Almost surely, 2^87215152 is an apocalyptic number.

It is an amenable number.

87215152 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87215152 is a wasteful number, since it uses less digits than its factorization.

87215152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175876 (or 175870 counting only the distinct ones).

The product of its digits is 5600, while the sum is 31.

The square root of 87215152 is about 9338.9052891653. The cubic root of 87215152 is about 443.4697292019.

The spelling of 87215152 in words is "eighty-seven million, two hundred fifteen thousand, one hundred fifty-two".