3778940616 has 32 divisors (see below), whose sum is σ = 10306202400. Its totient is φ = 1145133440.

The previous prime is 3778940611. The next prime is 3778940617. The reversal of 3778940616 is 6160498773.

It is not an unprimeable number, because it can be changed into a prime (3778940611) 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, 7156821 + ... + 7157348.

It is an arithmetic number, because the mean of its divisors is an integer number (322068825).

Almost surely, 2^3778940616 is an apocalyptic number.

It is an amenable number.

3778940616 is an abundant number, since it is smaller than the sum of its proper divisors (6527261784).

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

3778940616 is a wasteful number, since it uses less digits than its factorization.

3778940616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14314189 (or 14314185 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 3778940616 is about 61473.0885510074. The cubic root of 3778940616 is about 1557.6026919537.

The spelling of 3778940616 in words is "three billion, seven hundred seventy-eight million, nine hundred forty thousand, six hundred sixteen".