870641434007852 has 24 divisors (see below), whose sum is σ = 1641953507668656. Its totient is φ = 401557952904768.

The previous prime is 870641434007833. The next prime is 870641434007887. The reversal of 870641434007852 is 258700434146078.

It is a super-2 number, since 2×870641434007852² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 870641434007791 and 870641434007800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5761488278 + ... + 5761639389.

It is an arithmetic number, because the mean of its divisors is an integer number (68414729486194).

Almost surely, 2^{870641434007852} is an apocalyptic number.

It is an amenable number.

870641434007852 is a deficient number, since it is larger than the sum of its proper divisors (771312073660804).

870641434007852 is a wasteful number, since it uses less digits than its factorization.

870641434007852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11523129137 (or 11523129135 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 59.

The spelling of 870641434007852 in words is "eight hundred seventy trillion, six hundred forty-one billion, four hundred thirty-four million, seven thousand, eight hundred fifty-two".