3778016427 has 6 divisors (see below), whose sum is σ = 5457134852. Its totient is φ = 2518677612.

The previous prime is 3778016371. The next prime is 3778016477. The reversal of 3778016427 is 7246108773.

It is not a de Polignac number, because 3778016427 - 2¹⁰ = 3778015403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3778016477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209889793 + ... + 209889810.

Almost surely, 2^3778016427 is an apocalyptic number.

3778016427 is a deficient number, since it is larger than the sum of its proper divisors (1679118425).

3778016427 is a wasteful number, since it uses less digits than its factorization.

3778016427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419779609 (or 419779606 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 3778016427 is about 61465.5710703155. The cubic root of 3778016427 is about 1557.4757042793.

The spelling of 3778016427 in words is "three billion, seven hundred seventy-eight million, sixteen thousand, four hundred twenty-seven".