87447850 has 48 divisors (see below), whose sum is σ = 189720000. Its totient is φ = 29976240.

The previous prime is 87447803. The next prime is 87447851. The reversal of 87447850 is 5874478.

It is a junction number, because it is equal to n+sod(n) for n = 87447797 and 87447806.

It is not an unprimeable number, because it can be changed into a prime (87447851) 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 23 ways as a sum of consecutive naturals, for example, 14601 + ... + 19699.

It is an arithmetic number, because the mean of its divisors is an integer number (3952500).

Almost surely, 2^87447850 is an apocalyptic number.

87447850 is an abundant number, since it is smaller than the sum of its proper divisors (102272150).

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

87447850 is a wasteful number, since it uses less digits than its factorization.

87447850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132 (or 5113 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 87447850 is about 9351.3555167152. The cubic root of 87447850 is about 443.8637848792.

The spelling of 87447850 in words is "eighty-seven million, four hundred forty-seven thousand, eight hundred fifty".