6514780800 has 768 divisors, whose sum is σ = 26226892800. Its totient is φ = 1400832000.

The previous prime is 6514780799. The next prime is 6514780801. The reversal of 6514780800 is 80874156.

It is an interprime number because it is at equal distance from previous prime (6514780799) and next prime (6514780801).

It is not an unprimeable number, because it can be changed into a prime (6514780801) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 34108705 + ... + 34108895.

It is an arithmetic number, because the mean of its divisors is an integer number (34149600).

Almost surely, 2^6514780800 is an apocalyptic number.

6514780800 is a gapful number since it is divisible by the number (60) 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 6514780800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13113446400).

6514780800 is an abundant number, since it is smaller than the sum of its proper divisors (19712112000).

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

6514780800 is a wasteful number, since it uses less digits than its factorization.

6514780800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 6514780800 is about 80714.1920606283. The cubic root of 6514780800 is about 1867.6691100943.

The spelling of 6514780800 in words is "six billion, five hundred fourteen million, seven hundred eighty thousand, eight hundred".