3778664488 has 32 divisors (see below), whose sum is σ = 7166496960. Its totient is φ = 1867645440.

The previous prime is 3778664453. The next prime is 3778664497. The reversal of 3778664488 is 8844668773.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797695 + ... + 802417.

It is an arithmetic number, because the mean of its divisors is an integer number (223953030).

Almost surely, 2^3778664488 is an apocalyptic number.

It is an amenable number.

3778664488 is a deficient number, since it is larger than the sum of its proper divisors (3387832472).

3778664488 is a wasteful number, since it uses less digits than its factorization.

3778664488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857 (or 5853 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 61.

The square root of 3778664488 is about 61470.8425841065. The cubic root of 3778664488 is about 1557.5647529089.

The spelling of 3778664488 in words is "three billion, seven hundred seventy-eight million, six hundred sixty-four thousand, four hundred eighty-eight".