8113855 has 16 divisors (see below), whose sum is σ = 10321920. Its totient is φ = 6105888.

The previous prime is 8113843. The next prime is 8113867. The reversal of 8113855 is 5583118.

It is an interprime number because it is at equal distance from previous prime (8113843) and next prime (8113867).

It is a cyclic number.

It is not a de Polignac number, because 8113855 - 2⁷ = 8113727 is a prime.

It is a super-2 number, since 2×8113855² = 131669285922050, which contains 22 as substring.

8113855 is a lucky number.

It is a congruent 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, 20994 + ... + 21376.

It is an arithmetic number, because the mean of its divisors is an integer number (645120).

Almost surely, 2^8113855 is an apocalyptic number.

8113855 is a deficient number, since it is larger than the sum of its proper divisors (2208065).

8113855 is a wasteful number, since it uses less digits than its factorization.

8113855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its digits is 4800, while the sum is 31.

The square root of 8113855 is about 2848.4829295609. The cubic root of 8113855 is about 200.9443258922.

The spelling of 8113855 in words is "eight million, one hundred thirteen thousand, eight hundred fifty-five".