2667776764 has 12 divisors (see below), whose sum is σ = 4669777000. Its totient is φ = 1333554768.

The previous prime is 2667776689. The next prime is 2667776767. The reversal of 2667776764 is 4676777662.

2667776764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2667776699 and 2667776708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667776767) 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, 64959 + ... + 97750.

Almost surely, 2^2667776764 is an apocalyptic number.

It is an amenable number.

2667776764 is a deficient number, since it is larger than the sum of its proper divisors (2002000236).

2667776764 is a wasteful number, since it uses less digits than its factorization.

2667776764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166812 (or 166810 counting only the distinct ones).

The product of its digits is 24893568, while the sum is 58.

The square root of 2667776764 is about 51650.5253022658. The cubic root of 2667776764 is about 1386.9149466316.

The spelling of 2667776764 in words is "two billion, six hundred sixty-seven million, seven hundred seventy-six thousand, seven hundred sixty-four".