870550809696 has 36 divisors (see below), whose sum is σ = 2475628865892. Its totient is φ = 290183603136.

The previous prime is 870550809679. The next prime is 870550809697. The reversal of 870550809696 is 696908055078.

870550809696 is a `hidden beast` number, since 8 + 70 + 550 + 8 + 0 + 9 + 6 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×870550809696² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870550809697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1511372646 + ... + 1511373221.

It is an arithmetic number, because the mean of its divisors is an integer number (68767468497).

Almost surely, 2^870550809696 is an apocalyptic number.

It is an amenable number.

870550809696 is an abundant number, since it is smaller than the sum of its proper divisors (1605078056196).

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

870550809696 is a wasteful number, since it uses less digits than its factorization.

870550809696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022745883 (or 3022745872 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 870550809696 in words is "eight hundred seventy billion, five hundred fifty million, eight hundred nine thousand, six hundred ninety-six".