3543778966 has 16 divisors (see below), whose sum is σ = 6542361504. Its totient is φ = 1401934464.

The previous prime is 3543778961. The next prime is 3543778993. The reversal of 3543778966 is 6698773453.

It is a self number, because there is not a number n which added to its sum of digits gives 3543778966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3543778961) 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 7 ways as a sum of consecutive naturals, for example, 9735475 + ... + 9735838.

It is an arithmetic number, because the mean of its divisors is an integer number (408897594).

Almost surely, 2^3543778966 is an apocalyptic number.

3543778966 is a deficient number, since it is larger than the sum of its proper divisors (2998582538).

3543778966 is a wasteful number, since it uses less digits than its factorization.

3543778966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19471335.

The product of its digits is 22861440, while the sum is 58.

The square root of 3543778966 is about 59529.6477899878. The cubic root of 3543778966 is about 1524.5986891350.

The spelling of 3543778966 in words is "three billion, five hundred forty-three million, seven hundred seventy-eight thousand, nine hundred sixty-six".