6781010788 has 24 divisors (see below), whose sum is σ = 12451158720. Its totient is φ = 3225166560.

The previous prime is 6781010777. The next prime is 6781010801. The reversal of 6781010788 is 8870101876.

It is a Harshad number since it is a multiple of its sum of digits (46).

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 7 ways as a sum of consecutive naturals, for example, 186958 + ... + 220261.

It is an arithmetic number, because the mean of its divisors is an integer number (518798280).

Almost surely, 2^6781010788 is an apocalyptic number.

It is an amenable number.

6781010788 is a deficient number, since it is larger than the sum of its proper divisors (5670147932).

6781010788 is a wasteful number, since it uses less digits than its factorization.

6781010788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407427 (or 407425 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 46.

The square root of 6781010788 is about 82346.8930075689. The cubic root of 6781010788 is about 1892.7713128714.

The spelling of 6781010788 in words is "six billion, seven hundred eighty-one million, ten thousand, seven hundred eighty-eight".