80005605376 has 48 divisors (see below), whose sum is σ = 160038414900. Its totient is φ = 39986233344.

The previous prime is 80005605367. The next prime is 80005605439. The reversal of 80005605376 is 67350650008.

It can be written as a sum of positive squares in 2 ways, for example, as 58478846976 + 21526758400 = 241824^2 + 146720^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6041130 + ... + 6054358.

Almost surely, 2^80005605376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80005605376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80019207450).

80005605376 is an abundant number, since it is smaller than the sum of its proper divisors (80032809524).

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

80005605376 is a wasteful number, since it uses less digits than its factorization.

80005605376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16204 (or 16184 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 80005605376 in words is "eighty billion, five million, six hundred five thousand, three hundred seventy-six".