3780768867 has 4 divisors (see below), whose sum is σ = 5041025160. Its totient is φ = 2520512576.

The previous prime is 3780768857. The next prime is 3780768919. The reversal of 3780768867 is 7688670873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3780768867 - 2¹⁴ = 3780752483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3780768867.

It is not an unprimeable number, because it can be changed into a prime (3780768857) 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 3 ways as a sum of consecutive naturals, for example, 630128142 + ... + 630128147.

It is an arithmetic number, because the mean of its divisors is an integer number (1260256290).

Almost surely, 2^3780768867 is an apocalyptic number.

3780768867 is a deficient number, since it is larger than the sum of its proper divisors (1260256293).

3780768867 is a wasteful number, since it uses less digits than its factorization.

3780768867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260256292.

The product of its (nonzero) digits is 18966528, while the sum is 60.

The square root of 3780768867 is about 61487.9570891732. The cubic root of 3780768867 is about 1557.8538407857.

The spelling of 3780768867 in words is "three billion, seven hundred eighty million, seven hundred sixty-eight thousand, eight hundred sixty-seven".