8809815347079 has 16 divisors (see below), whose sum is σ = 12278015430912. Its totient is φ = 5608282790528.

The previous prime is 8809815347063. The next prime is 8809815347083. The reversal of 8809815347079 is 9707435189088.

It is a cyclic number.

It is not a de Polignac number, because 8809815347079 - 2⁴ = 8809815347063 is a prime.

It is a super-2 number, since 2×8809815347079² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8809815347029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 108714594 + ... + 108795599.

It is an arithmetic number, because the mean of its divisors is an integer number (767375964432).

Almost surely, 2^{8809815347079} is an apocalyptic number.

8809815347079 is a deficient number, since it is larger than the sum of its proper divisors (3468200083833).

8809815347079 is a wasteful number, since it uses less digits than its factorization.

8809815347079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217510806.

The product of its (nonzero) digits is 121927680, while the sum is 69.

The spelling of 8809815347079 in words is "eight trillion, eight hundred nine billion, eight hundred fifteen million, three hundred forty-seven thousand, seventy-nine".