80386556826 has 16 divisors (see below), whose sum is σ = 163498082400. Its totient is φ = 26341357488.

The previous prime is 80386556713. The next prime is 80386556843. The reversal of 80386556826 is 62865568308.

It is a super-3 number, since 3×80386556826³ (a number of 34 digits) contains 333 as substring.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 113539981 + ... + 113540688.

It is an arithmetic number, because the mean of its divisors is an integer number (10218630150).

Almost surely, 2^80386556826 is an apocalyptic number.

80386556826 is an abundant number, since it is smaller than the sum of its proper divisors (83111525574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80386556826 is a wasteful number, since it uses less digits than its factorization.

80386556826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227080733.

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 80386556826 in words is "eighty billion, three hundred eighty-six million, five hundred fifty-six thousand, eight hundred twenty-six".