80559531849 has 8 divisors (see below), whose sum is σ = 107417995552. Its totient is φ = 53703711360.

The previous prime is 80559531817. The next prime is 80559531853. The reversal of 80559531849 is 94813595508.

It is a happy number.

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

It is not a de Polignac number, because 80559531849 - 2⁵ = 80559531817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80559531149) 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, 588559 + ... + 712404.

It is an arithmetic number, because the mean of its divisors is an integer number (13427249444).

Almost surely, 2^80559531849 is an apocalyptic number.

It is an amenable number.

80559531849 is a deficient number, since it is larger than the sum of its proper divisors (26858463703).

80559531849 is a wasteful number, since it uses less digits than its factorization.

80559531849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321607.

The product of its (nonzero) digits is 7776000, while the sum is 57.

The spelling of 80559531849 in words is "eighty billion, five hundred fifty-nine million, five hundred thirty-one thousand, eight hundred forty-nine".