3608445778 has 32 divisors (see below), whose sum is σ = 6230286720. Its totient is φ = 1535424000.

The previous prime is 3608445761. The next prime is 3608445811. The reversal of 3608445778 is 8775448063.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238988 + ... + 1241896.

It is an arithmetic number, because the mean of its divisors is an integer number (194696460).

Almost surely, 2^3608445778 is an apocalyptic number.

3608445778 is a deficient number, since it is larger than the sum of its proper divisors (2621840942).

3608445778 is a wasteful number, since it uses less digits than its factorization.

3608445778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The square root of 3608445778 is about 60070.3402520745. The cubic root of 3608445778 is about 1533.8164619462.

The spelling of 3608445778 in words is "three billion, six hundred eight million, four hundred forty-five thousand, seven hundred seventy-eight".