869773549472 has 24 divisors (see below), whose sum is σ = 1715941584000. Its totient is φ = 433978861504.

The previous prime is 869773549423. The next prime is 869773549483. The reversal of 869773549472 is 274945377968.

It is a super-2 number, since 2×869773549472² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 869773549396 and 869773549405.

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 3 ways as a sum of consecutive naturals, for example, 28356722 + ... + 28387377.

It is an arithmetic number, because the mean of its divisors is an integer number (71497566000).

Almost surely, 2^869773549472 is an apocalyptic number.

It is an amenable number.

869773549472 is a deficient number, since it is larger than the sum of its proper divisors (846168034528).

869773549472 is a wasteful number, since it uses less digits than its factorization.

869773549472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56744588 (or 56744580 counting only the distinct ones).

The product of its digits is 640120320, while the sum is 71.

The spelling of 869773549472 in words is "eight hundred sixty-nine billion, seven hundred seventy-three million, five hundred forty-nine thousand, four hundred seventy-two".