80421876063 has 12 divisors (see below), whose sum is σ = 116606627280. Its totient is φ = 53410724736.

The previous prime is 80421876043. The next prime is 80421876091. The reversal of 80421876063 is 36067812408.

It is not a de Polignac number, because 80421876063 - 2⁹ = 80421875551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80421876043) 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 11 ways as a sum of consecutive naturals, for example, 16985778 + ... + 16990511.

It is an arithmetic number, because the mean of its divisors is an integer number (9717218940).

Almost surely, 2^80421876063 is an apocalyptic number.

80421876063 is a deficient number, since it is larger than the sum of its proper divisors (36184751217).

80421876063 is a wasteful number, since it uses less digits than its factorization.

80421876063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33976558 (or 33976555 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

It can be divided in two parts, 80421 and 876063, that added together give a square (956484 = 978²).

The spelling of 80421876063 in words is "eighty billion, four hundred twenty-one million, eight hundred seventy-six thousand, sixty-three".