3647775968 has 12 divisors (see below), whose sum is σ = 7181559000. Its totient is φ = 1823887968.

The previous prime is 3647775883. The next prime is 3647775977. The reversal of 3647775968 is 8695777463.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3647775968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56996468 + ... + 56996531.

It is an arithmetic number, because the mean of its divisors is an integer number (598463250).

Almost surely, 2^3647775968 is an apocalyptic number.

It is an amenable number.

3647775968 is a deficient number, since it is larger than the sum of its proper divisors (3533783032).

3647775968 is a wasteful number, since it uses less digits than its factorization.

3647775968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113993009 (or 113993001 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 62.

The square root of 3647775968 is about 60396.8208434848. The cubic root of 3647775968 is about 1539.3689391680.

The spelling of 3647775968 in words is "three billion, six hundred forty-seven million, seven hundred seventy-five thousand, nine hundred sixty-eight".