8399763456 has 144 divisors (see below), whose sum is σ = 26050981320. Its totient is φ = 2399846400.

The previous prime is 8399763431. The next prime is 8399763497. The reversal of 8399763456 is 6543679938.

It is a super-2 number, since 2×8399763456² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8399763456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287106 + ... + 315006.

Almost surely, 2^8399763456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8399763456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13025490660).

8399763456 is an abundant number, since it is smaller than the sum of its proper divisors (17651217864).

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

8399763456 is a wasteful number, since it uses less digits than its factorization.

8399763456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27940 (or 27913 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 60.

The square root of 8399763456 is about 91650.2234367162. The cubic root of 8399763456 is about 2032.7736323030.

The spelling of 8399763456 in words is "eight billion, three hundred ninety-nine million, seven hundred sixty-three thousand, four hundred fifty-six".