82702609919 has 8 divisors (see below), whose sum is σ = 87584727888. Its totient is φ = 77822409600.

The previous prime is 82702609883. The next prime is 82702609939. The reversal of 82702609919 is 91990620728.

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

It is not a de Polignac number, because 82702609919 - 2⁸ = 82702609663 is a prime.

It is a super-2 number, since 2×82702609919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82702609939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390137 + ... + 563570.

It is an arithmetic number, because the mean of its divisors is an integer number (10948090986).

Almost surely, 2^82702609919 is an apocalyptic number.

82702609919 is a deficient number, since it is larger than the sum of its proper divisors (4882117969).

82702609919 is a wasteful number, since it uses less digits than its factorization.

82702609919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958825.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 82702609919 in words is "eighty-two billion, seven hundred two million, six hundred nine thousand, nine hundred nineteen".