3855778376 has 16 divisors (see below), whose sum is σ = 7610089200. Its totient is φ = 1826421264.

The previous prime is 3855778369. The next prime is 3855778387. The reversal of 3855778376 is 6738775583.

It is a happy number.

It is a super-3 number, since 3×3855778376³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12683330 + ... + 12683633.

It is an arithmetic number, because the mean of its divisors is an integer number (475630575).

Almost surely, 2^3855778376 is an apocalyptic number.

It is an amenable number.

3855778376 is a deficient number, since it is larger than the sum of its proper divisors (3754310824).

3855778376 is a wasteful number, since it uses less digits than its factorization.

3855778376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25366988 (or 25366984 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 59.

The square root of 3855778376 is about 62094.9142522961. The cubic root of 3855778376 is about 1568.0889260010.

The spelling of 3855778376 in words is "three billion, eight hundred fifty-five million, seven hundred seventy-eight thousand, three hundred seventy-six".