6787777876 has 12 divisors (see below), whose sum is σ = 12958485120. Its totient is φ = 3085353560.

The previous prime is 6787777861. The next prime is 6787777879.

6787777876 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6787777879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77133796 + ... + 77133883.

It is an arithmetic number, because the mean of its divisors is an integer number (1079873760).

Almost surely, 2^6787777876 is an apocalyptic number.

It is an amenable number.

6787777876 is a deficient number, since it is larger than the sum of its proper divisors (6170707244).

6787777876 is a wasteful number, since it uses less digits than its factorization.

6787777876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154267694 (or 154267692 counting only the distinct ones).

The product of its digits is 271063296, while the sum is 70.

The square root of 6787777876 is about 82387.9716706268. The cubic root of 6787777876 is about 1893.4007318989.

The spelling of 6787777876 in words is "six billion, seven hundred eighty-seven million, seven hundred seventy-seven thousand, eight hundred seventy-six".