870512894845 has 12 divisors (see below), whose sum is σ = 1148213703420. Its totient is φ = 633100286720.

The previous prime is 870512894833. The next prime is 870512894863. The reversal of 870512894845 is 548498215078.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 342446165721 + 528066729124 = 585189^2 + 726682^2 .

It is not a de Polignac number, because 870512894845 - 2¹³ = 870512886653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 719431540 + ... + 719432749.

It is an arithmetic number, because the mean of its divisors is an integer number (95684475285).

Almost surely, 2^870512894845 is an apocalyptic number.

It is an amenable number.

870512894845 is a deficient number, since it is larger than the sum of its proper divisors (277700808575).

870512894845 is a wasteful number, since it uses less digits than its factorization.

870512894845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438864316 (or 1438864305 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 61.

The spelling of 870512894845 in words is "eight hundred seventy billion, five hundred twelve million, eight hundred ninety-four thousand, eight hundred forty-five".