80500493 has 8 divisors (see below), whose sum is σ = 83111928. Its totient is φ = 77912064.

The previous prime is 80500489. The next prime is 80500499. The reversal of 80500493 is 39400508.

It can be written as a sum of positive squares in 4 ways, for example, as 9721924 + 70778569 = 3118^2 + 8413^2 .

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 80500493 - 2² = 80500489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80500499) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1505 + ... + 12777.

It is an arithmetic number, because the mean of its divisors is an integer number (10388991).

Almost surely, 2^80500493 is an apocalyptic number.

It is an amenable number.

80500493 is a deficient number, since it is larger than the sum of its proper divisors (2611435).

80500493 is a wasteful number, since it uses less digits than its factorization.

80500493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11503.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 80500493 is about 8972.2066962370. The cubic root of 80500493 is about 431.7836368678.

The spelling of 80500493 in words is "eighty million, five hundred thousand, four hundred ninety-three".