8439223969764 has 96 divisors (see below), whose sum is σ = 25313813280000. Its totient is φ = 2411206831008.

The previous prime is 8439223969663. The next prime is 8439223969801. The reversal of 8439223969764 is 4679693229348.

8439223969764 is a `hidden beast` number, since 8 + 4 + 3 + 92 + 2 + 396 + 97 + 64 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8439223969692 and 8439223969701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68846139 + ... + 68968610.

It is an arithmetic number, because the mean of its divisors is an integer number (263685555000).

Almost surely, 2^{8439223969764} is an apocalyptic number.

8439223969764 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8439223969764 is an abundant number, since it is smaller than the sum of its proper divisors (16874589310236).

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

8439223969764 is a wasteful number, since it uses less digits than its factorization.

8439223969764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137814781 (or 137814761 counting only the distinct ones).

The product of its digits is 846526464, while the sum is 72.

The spelling of 8439223969764 in words is "eight trillion, four hundred thirty-nine billion, two hundred twenty-three million, nine hundred sixty-nine thousand, seven hundred sixty-four".