3778814425 has 6 divisors (see below), whose sum is σ = 4685729918. Its totient is φ = 3023051520.

The previous prime is 3778814407. The next prime is 3778814437. The reversal of 3778814425 is 5244188773.

It can be written as a sum of positive squares in 3 ways, for example, as 16096144 + 3762718281 = 4012^2 + 61341^2 .

It is not a de Polignac number, because 3778814425 - 2²³ = 3770425817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75576264 + ... + 75576313.

Almost surely, 2^3778814425 is an apocalyptic number.

It is an amenable number.

3778814425 is a deficient number, since it is larger than the sum of its proper divisors (906915493).

3778814425 is a wasteful number, since it uses less digits than its factorization.

3778814425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151152587 (or 151152582 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The square root of 3778814425 is about 61472.0621502158. The cubic root of 3778814425 is about 1557.5853539703.

The spelling of 3778814425 in words is "three billion, seven hundred seventy-eight million, eight hundred fourteen thousand, four hundred twenty-five".