3878417756 has 12 divisors (see below), whose sum is σ = 6803828640. Its totient is φ = 1934466720.

The previous prime is 3878417749. The next prime is 3878417789. The reversal of 3878417756 is 6577148783.

It is a happy number.

It is a congruent number.

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, 1183700 + ... + 1186971.

It is an arithmetic number, because the mean of its divisors is an integer number (566985720).

Almost surely, 2^3878417756 is an apocalyptic number.

It is an amenable number.

3878417756 is a deficient number, since it is larger than the sum of its proper divisors (2925410884).

3878417756 is a wasteful number, since it uses less digits than its factorization.

3878417756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371084 (or 2371082 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 56.

The square root of 3878417756 is about 62276.9440162248. The cubic root of 3878417756 is about 1571.1519742641.

The spelling of 3878417756 in words is "three billion, eight hundred seventy-eight million, four hundred seventeen thousand, seven hundred fifty-six".