8763400800 has 864 divisors, whose sum is σ = 39897446400. Its totient is φ = 1817164800.

The previous prime is 8763400777. The next prime is 8763400813. The reversal of 8763400800 is 80043678.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 143 ways as a sum of consecutive naturals, for example, 18294961 + ... + 18295439.

It is an arithmetic number, because the mean of its divisors is an integer number (46177600).

Almost surely, 2^8763400800 is an apocalyptic number.

8763400800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8763400800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19948723200).

8763400800 is an abundant number, since it is smaller than the sum of its proper divisors (31134045600).

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

8763400800 is a wasteful number, since it uses less digits than its factorization.

8763400800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 8763400800 is about 93613.0375535374. The cubic root of 8763400800 is about 2061.6940851325.

The spelling of 8763400800 in words is "eight billion, seven hundred sixty-three million, four hundred thousand, eight hundred".