80506426819 has 8 divisors (see below), whose sum is σ = 99084833120. Its totient is φ = 63697392576.

The previous prime is 80506426813. The next prime is 80506426843. The reversal of 80506426819 is 91862460508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80506426819 - 2¹¹ = 80506424771 is a prime.

It is a super-2 number, since 2×80506426819² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80506426813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442342914 + ... + 442343095.

It is an arithmetic number, because the mean of its divisors is an integer number (12385604140).

Almost surely, 2^80506426819 is an apocalyptic number.

80506426819 is a deficient number, since it is larger than the sum of its proper divisors (18578406301).

80506426819 is a wasteful number, since it uses less digits than its factorization.

80506426819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884686029.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 80506426819 in words is "eighty billion, five hundred six million, four hundred twenty-six thousand, eight hundred nineteen".