83080509 has 4 divisors (see below), whose sum is σ = 110774016. Its totient is φ = 55387004.

The previous prime is 83080493. The next prime is 83080511. The reversal of 83080509 is 90508038.

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 not a de Polignac number, because 83080509 - 2⁴ = 83080493 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 83080509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83080549) 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, 13846749 + ... + 13846754.

It is an arithmetic number, because the mean of its divisors is an integer number (27693504).

Almost surely, 2^83080509 is an apocalyptic number.

It is an amenable number.

83080509 is a deficient number, since it is larger than the sum of its proper divisors (27693507).

83080509 is a wasteful number, since it uses less digits than its factorization.

83080509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27693506.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 83080509 is about 9114.8510135931. The cubic root of 83080509 is about 436.3480601014.

The spelling of 83080509 in words is "eighty-three million, eighty thousand, five hundred nine".