80706844077 has 16 divisors (see below), whose sum is σ = 108156894720. Its totient is φ = 53530970112.

The previous prime is 80706844069. The next prime is 80706844087. The reversal of 80706844077 is 77044860708.

It is not a de Polignac number, because 80706844077 - 2³ = 80706844069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80706844087) by changing a digit.

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, 1099749 + ... + 1170837.

It is an arithmetic number, because the mean of its divisors is an integer number (6759805920).

Almost surely, 2^80706844077 is an apocalyptic number.

It is an amenable number.

80706844077 is a deficient number, since it is larger than the sum of its proper divisors (27450050643).

80706844077 is a wasteful number, since it uses less digits than its factorization.

80706844077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73012.

The product of its (nonzero) digits is 2107392, while the sum is 51.

The spelling of 80706844077 in words is "eighty billion, seven hundred six million, eight hundred forty-four thousand, seventy-seven".