3778442115 has 16 divisors (see below), whose sum is σ = 6909151488. Its totient is φ = 1727287776.

The previous prime is 3778442111. The next prime is 3778442131. The reversal of 3778442115 is 5112448773.

3778442115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3778442115 - 2² = 3778442111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3778442111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17992477 + ... + 17992686.

It is an arithmetic number, because the mean of its divisors is an integer number (431821968).

Almost surely, 2^3778442115 is an apocalyptic number.

3778442115 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3778442115 is a deficient number, since it is larger than the sum of its proper divisors (3130709373).

3778442115 is a wasteful number, since it uses less digits than its factorization.

3778442115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35985178.

The product of its digits is 188160, while the sum is 42.

The square root of 3778442115 is about 61469.0337893805. The cubic root of 3778442115 is about 1557.5341982740.

The spelling of 3778442115 in words is "three billion, seven hundred seventy-eight million, four hundred forty-two thousand, one hundred fifteen".