87378210 has 32 divisors (see below), whose sum is σ = 233009280. Its totient is φ = 23300784.

The previous prime is 87378199. The next prime is 87378227. The reversal of 87378210 is 1287378.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 161542 + ... + 162081.

It is an arithmetic number, because the mean of its divisors is an integer number (7281540).

Almost surely, 2^87378210 is an apocalyptic number.

87378210 is an abundant number, since it is smaller than the sum of its proper divisors (145631070).

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

87378210 is a wasteful number, since it uses less digits than its factorization.

87378210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323639 (or 323633 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 87378210 is about 9347.6312507501. The cubic root of 87378210 is about 443.7459284160.

The spelling of 87378210 in words is "eighty-seven million, three hundred seventy-eight thousand, two hundred ten".