870766218 has 48 divisors (see below), whose sum is σ = 2159015040. Its totient is φ = 248463648.

The previous prime is 870766217. The next prime is 870766249. The reversal of 870766218 is 812667078.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (870766213) 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 23 ways as a sum of consecutive naturals, for example, 101596 + ... + 109832.

It is an arithmetic number, because the mean of its divisors is an integer number (44979480).

Almost surely, 2^870766218 is an apocalyptic number.

870766218 is an abundant number, since it is smaller than the sum of its proper divisors (1288248822).

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

870766218 is a wasteful number, since it uses less digits than its factorization.

870766218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091 (or 9088 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 870766218 is about 29508.7481605032. The cubic root of 870766218 is about 954.9204425561.

The spelling of 870766218 in words is "eight hundred seventy million, seven hundred sixty-six thousand, two hundred eighteen".