3766385378 has 32 divisors (see below), whose sum is σ = 6901735680. Its totient is φ = 1506320640.

The previous prime is 3766385327. The next prime is 3766385429. The reversal of 3766385378 is 8735836673.

It is an interprime number because it is at equal distance from previous prime (3766385327) and next prime (3766385429).

It is a super-2 number, since 2×3766385378² = 28371317631224405768, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129443 + ... + 155846.

It is an arithmetic number, because the mean of its divisors is an integer number (215679240).

Almost surely, 2^3766385378 is an apocalyptic number.

3766385378 is a deficient number, since it is larger than the sum of its proper divisors (3135350302).

3766385378 is a wasteful number, since it uses less digits than its factorization.

3766385378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285362.

The product of its digits is 15240960, while the sum is 56.

The square root of 3766385378 is about 61370.8837967973. The cubic root of 3766385378 is about 1555.8757731858.

The spelling of 3766385378 in words is "three billion, seven hundred sixty-six million, three hundred eighty-five thousand, three hundred seventy-eight".