8815059805 has 16 divisors (see below), whose sum is σ = 10646339760. Its totient is φ = 7006629888.

The previous prime is 8815059767. The next prime is 8815059821. The reversal of 8815059805 is 5089505188.

8815059805 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 288014841 + 8527044964 = 16971^2 + 92342^2 .

It is a cyclic number.

It is not a de Polignac number, because 8815059805 - 2⁷ = 8815059677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817791 + ... + 828499.

It is an arithmetic number, because the mean of its divisors is an integer number (665396235).

Almost surely, 2^8815059805 is an apocalyptic number.

It is an amenable number.

8815059805 is a deficient number, since it is larger than the sum of its proper divisors (1831279955).

8815059805 is a wasteful number, since it uses less digits than its factorization.

8815059805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11760.

The product of its (nonzero) digits is 576000, while the sum is 49.

The square root of 8815059805 is about 93888.5499142467. The cubic root of 8815059805 is about 2065.7372822408.

The spelling of 8815059805 in words is "eight billion, eight hundred fifteen million, fifty-nine thousand, eight hundred five".