80600988581 has 8 divisors (see below), whose sum is σ = 80814858840. Its totient is φ = 80387388928.

The previous prime is 80600988577. The next prime is 80600988583. The reversal of 80600988581 is 18588900608.

It can be written as a sum of positive squares in 4 ways, for example, as 32055679681 + 48545308900 = 179041^2 + 220330^2 .

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 80600988581 - 2² = 80600988577 is a prime.

It is a super-2 number, since 2×80600988581² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80600988583) 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, 535955 + ... + 669663.

It is an arithmetic number, because the mean of its divisors is an integer number (10101857355).

Almost surely, 2^80600988581 is an apocalyptic number.

It is an amenable number.

80600988581 is a deficient number, since it is larger than the sum of its proper divisors (213870259).

80600988581 is a wasteful number, since it uses less digits than its factorization.

80600988581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135303.

The product of its (nonzero) digits is 1105920, while the sum is 53.

The spelling of 80600988581 in words is "eighty billion, six hundred million, nine hundred eighty-eight thousand, five hundred eighty-one".