82015719 has 8 divisors (see below), whose sum is σ = 110852592. Its totient is φ = 53928000.

The previous prime is 82015673. The next prime is 82015727. The reversal of 82015719 is 91751028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82015719 - 2⁹ = 82015207 is a prime.

It is a super-3 number, since 3×82015719³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 82015719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82015729) 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 7 ways as a sum of consecutive naturals, for example, 187032 + ... + 187469.

It is an arithmetic number, because the mean of its divisors is an integer number (13856574).

Almost surely, 2^82015719 is an apocalyptic number.

82015719 is a deficient number, since it is larger than the sum of its proper divisors (28836873).

82015719 is a wasteful number, since it uses less digits than its factorization.

82015719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374577.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 82015719 is about 9056.2530331258. The cubic root of 82015719 is about 434.4759073335.

The spelling of 82015719 in words is "eighty-two million, fifteen thousand, seven hundred nineteen".