8816815855 has 16 divisors (see below), whose sum is σ = 10746851904. Its totient is φ = 6942664960.

The previous prime is 8816815831. The next prime is 8816815913. The reversal of 8816815855 is 5585186188.

It is not a de Polignac number, because 8816815855 - 2¹¹ = 8816813807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8816815796 and 8816815805.

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, 198909 + ... + 239161.

It is an arithmetic number, because the mean of its divisors is an integer number (671678244).

Almost surely, 2^8816815855 is an apocalyptic number.

8816815855 is a deficient number, since it is larger than the sum of its proper divisors (1930036049).

8816815855 is a wasteful number, since it uses less digits than its factorization.

8816815855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40946.

The product of its digits is 3072000, while the sum is 55.

The square root of 8816815855 is about 93897.9012278762. The cubic root of 8816815855 is about 2065.8744451257.

The spelling of 8816815855 in words is "eight billion, eight hundred sixteen million, eight hundred fifteen thousand, eight hundred fifty-five".