82550709519 has 4 divisors (see below), whose sum is σ = 110067612696. Its totient is φ = 55033806344.

The previous prime is 82550709511. The next prime is 82550709523. The reversal of 82550709519 is 91590705528.

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 82550709519 - 2³ = 82550709511 is a prime.

It is a super-2 number, since 2×82550709519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82550709511) 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, 13758451584 + ... + 13758451589.

It is an arithmetic number, because the mean of its divisors is an integer number (27516903174).

Almost surely, 2^82550709519 is an apocalyptic number.

82550709519 is a deficient number, since it is larger than the sum of its proper divisors (27516903177).

82550709519 is a wasteful number, since it uses less digits than its factorization.

82550709519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27516903176.

The product of its (nonzero) digits is 1134000, while the sum is 51.

The spelling of 82550709519 in words is "eighty-two billion, five hundred fifty million, seven hundred nine thousand, five hundred nineteen".