870321064 has 16 divisors (see below), whose sum is σ = 1632273120. Its totient is φ = 435048240.

The previous prime is 870321061. The next prime is 870321079. The reversal of 870321064 is 460123078.

It is not an unprimeable number, because it can be changed into a prime (870321061) 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 3 ways as a sum of consecutive naturals, for example, 25429 + ... + 48859.

It is an arithmetic number, because the mean of its divisors is an integer number (102017070).

Almost surely, 2^870321064 is an apocalyptic number.

It is an amenable number.

870321064 is a deficient number, since it is larger than the sum of its proper divisors (761952056).

870321064 is a wasteful number, since it uses less digits than its factorization.

870321064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28080 (or 28076 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 870321064 is about 29501.2044499881. The cubic root of 870321064 is about 954.7576896824.

The spelling of 870321064 in words is "eight hundred seventy million, three hundred twenty-one thousand, sixty-four".