4066776704 has 16 divisors (see below), whose sum is σ = 8101781970. Its totient is φ = 2033388288.

The previous prime is 4066776689. The next prime is 4066776719. The reversal of 4066776704 is 4076776604.

It is an interprime number because it is at equal distance from previous prime (4066776689) and next prime (4066776719).

It can be written as a sum of positive squares in only one way, i.e., 3346391104 + 720385600 = 57848^2 + 26840^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15885719 + ... + 15885974.

Almost surely, 2^4066776704 is an apocalyptic number.

It is an amenable number.

4066776704 is a deficient number, since it is larger than the sum of its proper divisors (4035005266).

4066776704 is an equidigital number, since it uses as much as digits as its factorization.

4066776704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31771707 (or 31771695 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 47.

The square root of 4066776704 is about 63771.2843213934. The cubic root of 4066776704 is about 1596.1857979728.

The spelling of 4066776704 in words is "four billion, sixty-six million, seven hundred seventy-six thousand, seven hundred four".