3778497436 has 12 divisors (see below), whose sum is σ = 7556994928. Its totient is φ = 1619356032.

The previous prime is 3778497433. The next prime is 3778497439. The reversal of 3778497436 is 6347948773.

It is an interprime number because it is at equal distance from previous prime (3778497433) and next prime (3778497439).

3778497436 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778497433) 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, 67473141 + ... + 67473196.

Almost surely, 2^3778497436 is an apocalyptic number.

It is an amenable number.

3778497436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3778497436 is a wasteful number, since it uses less digits than its factorization.

3778497436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134946348 (or 134946346 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 58.

The square root of 3778497436 is about 61469.4837785384. The cubic root of 3778497436 is about 1557.5417996369.

The spelling of 3778497436 in words is "three billion, seven hundred seventy-eight million, four hundred ninety-seven thousand, four hundred thirty-six".