3855077388 has 48 divisors (see below), whose sum is σ = 10118058720. Its totient is φ = 1285022880.

The previous prime is 3855077339. The next prime is 3855077411. The reversal of 3855077388 is 8837705583.

3855077388 is a `hidden beast` number, since 3 + 8 + 550 + 7 + 7 + 3 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 211593 + ... + 229088.

It is an arithmetic number, because the mean of its divisors is an integer number (210792890).

Almost surely, 2^3855077388 is an apocalyptic number.

It is an amenable number.

3855077388 is an abundant number, since it is smaller than the sum of its proper divisors (6262981332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3855077388 is an equidigital number, since it uses as much as digits as its factorization.

3855077388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440706 (or 440686 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The square root of 3855077388 is about 62089.2695077016. The cubic root of 3855077388 is about 1567.9938930373.

The spelling of 3855077388 in words is "three billion, eight hundred fifty-five million, seventy-seven thousand, three hundred eighty-eight".