6766777700000 has 72 divisors (see below), whose sum is σ = 16651551474684. Its totient is φ = 2706711040000.

The previous prime is 6766777699991. The next prime is 6766777700063. The reversal of 6766777700000 is 77776676.

It can be written as a sum of positive squares in 6 ways, for example, as 200084446864 + 6566693253136 = 447308^2 + 2562556^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33733889 + ... + 33933888.

Almost surely, 2^{6766777700000} is an apocalyptic number.

It is an amenable number.

6766777700000 is an abundant number, since it is smaller than the sum of its proper divisors (9884773774684).

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

6766777700000 is an frugal number, since it uses more digits than its factorization.

6766777700000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67667812 (or 67667784 counting only the distinct ones).

The product of its (nonzero) digits is 3630312, while the sum is 53.

The spelling of 6766777700000 in words is "six trillion, seven hundred sixty-six billion, seven hundred seventy-seven million, seven hundred thousand".