3778378367 has 8 divisors (see below), whose sum is σ = 4001214672. Its totient is φ = 3555606400.

The previous prime is 3778378327. The next prime is 3778378379. The reversal of 3778378367 is 7638738773.

3778378367 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3778378367 - 2²⁶ = 3711269503 is a prime.

It is a super-2 number, since 2×3778378367² = 28552286168427173378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778378327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159992 + ... + 182082.

It is an arithmetic number, because the mean of its divisors is an integer number (500151834).

Almost surely, 2^3778378367 is an apocalyptic number.

3778378367 is a deficient number, since it is larger than the sum of its proper divisors (222836305).

3778378367 is a wasteful number, since it uses less digits than its factorization.

3778378367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32169.

The product of its digits is 24893568, while the sum is 59.

The square root of 3778378367 is about 61468.5152496788. The cubic root of 3778378367 is about 1557.5254389101.

The spelling of 3778378367 in words is "three billion, seven hundred seventy-eight million, three hundred seventy-eight thousand, three hundred sixty-seven".