850560864 has 48 divisors (see below), whose sum is σ = 2364063408. Its totient is φ = 266842112.

The previous prime is 850560863. The next prime is 850560889. The reversal of 850560864 is 468065058.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850560863) 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 7 ways as a sum of consecutive naturals, for example, 258957 + ... + 262220.

It is an arithmetic number, because the mean of its divisors is an integer number (49251321).

Almost surely, 2^850560864 is an apocalyptic number.

It is an amenable number.

850560864 is an abundant number, since it is smaller than the sum of its proper divisors (1513502544).

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

850560864 is a wasteful number, since it uses less digits than its factorization.

850560864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521207 (or 521199 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 850560864 is about 29164.3766262884. The cubic root of 850560864 is about 947.4765398684.

The spelling of 850560864 in words is "eight hundred fifty million, five hundred sixty thousand, eight hundred sixty-four".