875305643064 has 128 divisors (see below), whose sum is σ = 2369216217600. Its totient is φ = 268540945920.

The previous prime is 875305643059. The next prime is 875305643071. The reversal of 875305643064 is 460346503578.

It is a junction number, because it is equal to n+sod(n) for n = 875305642998 and 875305643016.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 11384029 + ... + 11460659.

It is an arithmetic number, because the mean of its divisors is an integer number (18509501700).

Almost surely, 2^875305643064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 875305643064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184608108800).

875305643064 is an abundant number, since it is smaller than the sum of its proper divisors (1493910574536).

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

875305643064 is a wasteful number, since it uses less digits than its factorization.

875305643064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77373 (or 77369 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 875305643064 in words is "eight hundred seventy-five billion, three hundred five million, six hundred forty-three thousand, sixty-four".