3855116577 has 16 divisors (see below), whose sum is σ = 5539587200. Its totient is φ = 2370650112.

The previous prime is 3855116533. The next prime is 3855116591. The reversal of 3855116577 is 7756115583.

It is not a de Polignac number, because 3855116577 - 2⁷ = 3855116449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3855116977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19233 + ... + 89889.

It is an arithmetic number, because the mean of its divisors is an integer number (346224200).

Almost surely, 2^3855116577 is an apocalyptic number.

It is an amenable number.

3855116577 is a deficient number, since it is larger than the sum of its proper divisors (1684470623).

3855116577 is a wasteful number, since it uses less digits than its factorization.

3855116577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72072.

The product of its digits is 882000, while the sum is 48.

The square root of 3855116577 is about 62089.5850928318. The cubic root of 3855116577 is about 1567.9992061952. Note that the first 3 decimals are identical.

The spelling of 3855116577 in words is "three billion, eight hundred fifty-five million, one hundred sixteen thousand, five hundred seventy-seven".