80535389 has 4 divisors (see below), whose sum is σ = 87856800. Its totient is φ = 73213980.

The previous prime is 80535383. The next prime is 80535401. The reversal of 80535389 is 98353508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80535389 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 (80535383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3660689 + ... + 3660710.

It is an arithmetic number, because the mean of its divisors is an integer number (21964200).

Almost surely, 2^80535389 is an apocalyptic number.

It is an amenable number.

80535389 is a deficient number, since it is larger than the sum of its proper divisors (7321411).

80535389 is a wasteful number, since it uses less digits than its factorization.

80535389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321410.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 80535389 is about 8974.1511576305. The cubic root of 80535389 is about 431.8460188673.

The spelling of 80535389 in words is "eighty million, five hundred thirty-five thousand, three hundred eighty-nine".