83385516587 has 4 divisors (see below), whose sum is σ = 83386516896. Its totient is φ = 83384516280.

The previous prime is 83385516527. The next prime is 83385516671. The reversal of 83385516587 is 78561558338.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83385516587 - 2⁶ = 83385516523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83385516527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362483 + ... + 546044.

It is an arithmetic number, because the mean of its divisors is an integer number (20846629224).

Almost surely, 2^83385516587 is an apocalyptic number.

83385516587 is a deficient number, since it is larger than the sum of its proper divisors (1000309).

83385516587 is an equidigital number, since it uses as much as digits as its factorization.

83385516587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000308.

The product of its digits is 24192000, while the sum is 59.

The spelling of 83385516587 in words is "eighty-three billion, three hundred eighty-five million, five hundred sixteen thousand, five hundred eighty-seven".