80498205 has 20 divisors (see below), whose sum is σ = 144301212. Its totient is φ = 42932160.

The previous prime is 80498189. The next prime is 80498219. The reversal of 80498205 is 50289408.

It can be written as a sum of positive squares in 2 ways, for example, as 18198756 + 62299449 = 4266^2 + 7893^2 .

It is not a de Polignac number, because 80498205 - 2⁴ = 80498189 is a prime.

It is a super-2 number, since 2×80498205² = 12959922016444050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80498205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98976 + ... + 99785.

Almost surely, 2^80498205 is an apocalyptic number.

It is an amenable number.

80498205 is a deficient number, since it is larger than the sum of its proper divisors (63803007).

80498205 is a wasteful number, since it uses less digits than its factorization.

80498205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198778 (or 198769 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 80498205 is about 8972.0791904664. The cubic root of 80498205 is about 431.7795460841.

The spelling of 80498205 in words is "eighty million, four hundred ninety-eight thousand, two hundred five".