3778773896 has 16 divisors (see below), whose sum is σ = 7088945040. Its totient is φ = 1888388560.

The previous prime is 3778773881. The next prime is 3778773907. The reversal of 3778773896 is 6983778773.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108590 + ... + 139101.

It is an arithmetic number, because the mean of its divisors is an integer number (443059065).

Almost surely, 2^3778773896 is an apocalyptic number.

It is an amenable number.

3778773896 is a deficient number, since it is larger than the sum of its proper divisors (3310171144).

3778773896 is a wasteful number, since it uses less digits than its factorization.

3778773896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249604 (or 249600 counting only the distinct ones).

The product of its digits is 74680704, while the sum is 65.

The square root of 3778773896 is about 61471.7324955137. The cubic root of 3778773896 is about 1557.5797854158.

The spelling of 3778773896 in words is "three billion, seven hundred seventy-eight million, seven hundred seventy-three thousand, eight hundred ninety-six".