6767676664 has 16 divisors (see below), whose sum is σ = 14502164400. Its totient is φ = 2900432832.

The previous prime is 6767676661. The next prime is 6767676673. The reversal of 6767676664 is 4666767676.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6767676661) 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, 60425629 + ... + 60425740.

It is an arithmetic number, because the mean of its divisors is an integer number (906385275).

Almost surely, 2^6767676664 is an apocalyptic number.

It is an amenable number.

6767676664 is an abundant number, since it is smaller than the sum of its proper divisors (7734487736).

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

6767676664 is a wasteful number, since it uses less digits than its factorization.

6767676664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120851382 (or 120851378 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 61.

The square root of 6767676664 is about 82265.8900395541. The cubic root of 6767676664 is about 1891.5298554561.

The spelling of 6767676664 in words is "six billion, seven hundred sixty-seven million, six hundred seventy-six thousand, six hundred sixty-four".