8805386640655 has 32 divisors (see below), whose sum is σ = 11586557556288. Its totient is φ = 6370864281600.

The previous prime is 8805386640649. The next prime is 8805386640691. The reversal of 8805386640655 is 5560466835088.

It is not a de Polignac number, because 8805386640655 - 2³³ = 8796796706063 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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160558119 + ... + 160612951.

It is an arithmetic number, because the mean of its divisors is an integer number (362079923634).

Almost surely, 2^{8805386640655} is an apocalyptic number.

8805386640655 is a deficient number, since it is larger than the sum of its proper divisors (2781170915633).

8805386640655 is a wasteful number, since it uses less digits than its factorization.

8805386640655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69867.

The product of its (nonzero) digits is 165888000, while the sum is 64.

The spelling of 8805386640655 in words is "eight trillion, eight hundred five billion, three hundred eighty-six million, six hundred forty thousand, six hundred fifty-five".