7664774667 has 16 divisors (see below), whose sum is σ = 11735541120. Its totient is φ = 4400827200.

The previous prime is 7664774651. The next prime is 7664774669.

7664774667 is nontrivially palindromic in base 10.

7664774667 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7664774667 - 2⁴ = 7664774651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7664774667.

It is not an unprimeable number, because it can be changed into a prime (7664774669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6111634 + ... + 6112887.

It is an arithmetic number, because the mean of its divisors is an integer number (733471320).

Almost surely, 2^7664774667 is an apocalyptic number.

7664774667 is a deficient number, since it is larger than the sum of its proper divisors (4070766453).

7664774667 is a wasteful number, since it uses less digits than its factorization.

7664774667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12224554.

The product of its digits is 49787136, while the sum is 60.

The square root of 7664774667 is about 87548.6988309935. The cubic root of 7664774667 is about 1971.6650156944.

The spelling of 7664774667 in words is "seven billion, six hundred sixty-four million, seven hundred seventy-four thousand, six hundred sixty-seven".