969863538672 has 120 divisors (see below), whose sum is σ = 3105202060896. Its totient is φ = 276819959808.

The previous prime is 969863538667. The next prime is 969863538719. The reversal of 969863538672 is 276835368969.

969863538672 is a `hidden beast` number, since 9 + 6 + 9 + 86 + 3 + 538 + 6 + 7 + 2 = 666.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 969863538672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492408 + ... + 1477224.

Almost surely, 2^969863538672 is an apocalyptic number.

It is a pronic number, being equal to 984816×984817.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 969863538672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552601030448).

969863538672 is an abundant number, since it is smaller than the sum of its proper divisors (2135338522224).

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

969863538672 is a wasteful number, since it uses less digits than its factorization.

969863538672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985815 (or 985806 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 72.

The spelling of 969863538672 in words is "nine hundred sixty-nine billion, eight hundred sixty-three million, five hundred thirty-eight thousand, six hundred seventy-two".