80598726861 has 16 divisors (see below), whose sum is σ = 110940960768. Its totient is φ = 51994782000.

The previous prime is 80598726827. The next prime is 80598726889. The reversal of 80598726861 is 16862789508.

It is not a de Polignac number, because 80598726861 - 2¹⁵ = 80598694093 is a prime.

It is a super-2 number, since 2×80598726861² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80598726795 and 80598726804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80598726361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1349686 + ... + 1408136.

It is an arithmetic number, because the mean of its divisors is an integer number (6933810048).

Almost surely, 2^80598726861 is an apocalyptic number.

It is an amenable number.

80598726861 is a deficient number, since it is larger than the sum of its proper divisors (30342233907).

80598726861 is a wasteful number, since it uses less digits than its factorization.

80598726861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73312.

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 80598726861 in words is "eighty billion, five hundred ninety-eight million, seven hundred twenty-six thousand, eight hundred sixty-one".