869185468968 has 16 divisors (see below), whose sum is σ = 2172963672480. Its totient is φ = 289728489648.

The previous prime is 869185468939. The next prime is 869185468973. The reversal of 869185468968 is 869864581968.

It is a junction number, because it is equal to n+sod(n) for n = 869185468893 and 869185468902.

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 3 ways as a sum of consecutive naturals, for example, 18108030580 + ... + 18108030627.

It is an arithmetic number, because the mean of its divisors is an integer number (135810229530).

Almost surely, 2^869185468968 is an apocalyptic number.

It is an amenable number.

869185468968 is an abundant number, since it is smaller than the sum of its proper divisors (1303778203512).

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

869185468968 is a wasteful number, since it uses less digits than its factorization.

869185468968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36216061216 (or 36216061212 counting only the distinct ones).

The product of its digits is 1433272320, while the sum is 78.

The spelling of 869185468968 in words is "eight hundred sixty-nine billion, one hundred eighty-five million, four hundred sixty-eight thousand, nine hundred sixty-eight".