6778502580 has 24 divisors (see below), whose sum is σ = 18979807392. Its totient is φ = 1807600672.

The previous prime is 6778502551. The next prime is 6778502581. The reversal of 6778502580 is 852058776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778502581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56487462 + ... + 56487581.

It is an arithmetic number, because the mean of its divisors is an integer number (790825308).

Almost surely, 2^6778502580 is an apocalyptic number.

6778502580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6778502580 is an abundant number, since it is smaller than the sum of its proper divisors (12201304812).

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

6778502580 is a wasteful number, since it uses less digits than its factorization.

6778502580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112975055 (or 112975053 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The square root of 6778502580 is about 82331.6620748057. The cubic root of 6778502580 is about 1892.5379135666.

The spelling of 6778502580 in words is "six billion, seven hundred seventy-eight million, five hundred two thousand, five hundred eighty".