3865035348855 has 64 divisors (see below), whose sum is σ = 7119635875200. Its totient is φ = 1987044111360.

The previous prime is 3865035348851. The next prime is 3865035348859. The reversal of 3865035348855 is 5588435305683.

3865035348855 is a `hidden beast` number, since 3 + 8 + 6 + 50 + 3 + 53 + 488 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (3865035348851) and next prime (3865035348859).

It is not a de Polignac number, because 3865035348855 - 2² = 3865035348851 is a prime.

It is a super-2 number, since 2×3865035348855² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3865035348792 and 3865035348801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865035348851) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1615525 + ... + 3215585.

It is an arithmetic number, because the mean of its divisors is an integer number (111244310550).

Almost surely, 2^{3865035348855} is an apocalyptic number.

3865035348855 is a deficient number, since it is larger than the sum of its proper divisors (3254600526345).

3865035348855 is a wasteful number, since it uses less digits than its factorization.

3865035348855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600721 (or 1600715 counting only the distinct ones).

The product of its (nonzero) digits is 207360000, while the sum is 63.

The spelling of 3865035348855 in words is "three trillion, eight hundred sixty-five billion, thirty-five million, three hundred forty-eight thousand, eight hundred fifty-five".