6778757900 has 18 divisors (see below), whose sum is σ = 14709904860. Its totient is φ = 2711503120.

The previous prime is 6778757899. The next prime is 6778757963. The reversal of 6778757900 is 97578776.

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 5 ways as a sum of consecutive naturals, for example, 33893690 + ... + 33893889.

Almost surely, 2^6778757900 is an apocalyptic number.

It is an amenable number.

6778757900 is an abundant number, since it is smaller than the sum of its proper divisors (7931146960).

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

6778757900 is a wasteful number, since it uses less digits than its factorization.

6778757900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67787593 (or 67787586 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 56.

The square root of 6778757900 is about 82333.2126179952. The cubic root of 6778757900 is about 1892.5616747984.

The spelling of 6778757900 in words is "six billion, seven hundred seventy-eight million, seven hundred fifty-seven thousand, nine hundred".