3780779968 has 28 divisors (see below), whose sum is σ = 8574269872. Its totient is φ = 1620334080.

The previous prime is 3780779941. The next prime is 3780779983. The reversal of 3780779968 is 8699770873.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4219173 + ... + 4220068.

It is an arithmetic number, because the mean of its divisors is an integer number (306223924).

Almost surely, 2^3780779968 is an apocalyptic number.

It is an amenable number.

3780779968 is an abundant number, since it is smaller than the sum of its proper divisors (4793489904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3780779968 is an equidigital number, since it uses as much as digits as its factorization.

3780779968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8439260 (or 8439250 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 64.

The square root of 3780779968 is about 61488.0473588160. The cubic root of 3780779968 is about 1557.8553654948.

The spelling of 3780779968 in words is "three billion, seven hundred eighty million, seven hundred seventy-nine thousand, nine hundred sixty-eight".