80749103617 has 64 divisors (see below), whose sum is σ = 102407334400. Its totient is φ = 61981562880.

The previous prime is 80749103609. The next prime is 80749103623. The reversal of 80749103617 is 71630194708.

It is a cyclic number.

It is not a de Polignac number, because 80749103617 - 2³ = 80749103609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80749103627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 176693653 + ... + 176694109.

It is an arithmetic number, because the mean of its divisors is an integer number (1600114600).

Almost surely, 2^80749103617 is an apocalyptic number.

It is an amenable number.

80749103617 is a deficient number, since it is larger than the sum of its proper divisors (21658230783).

80749103617 is a wasteful number, since it uses less digits than its factorization.

80749103617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 80749103617 in words is "eighty billion, seven hundred forty-nine million, one hundred three thousand, six hundred seventeen".