82879580853 has 6 divisors (see below), whose sum is σ = 119714950134. Its totient is φ = 55253053896.

The previous prime is 82879580801. The next prime is 82879580887. The reversal of 82879580853 is 35808597828.

It can be written as a sum of positive squares in only one way, i.e., 73632450609 + 9247130244 = 271353^2 + 96162^2 .

It is not a de Polignac number, because 82879580853 - 2³² = 78584613557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82879580653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4604421150 + ... + 4604421167.

It is an arithmetic number, because the mean of its divisors is an integer number (19952491689).

Almost surely, 2^82879580853 is an apocalyptic number.

It is an amenable number.

82879580853 is a deficient number, since it is larger than the sum of its proper divisors (36835369281).

82879580853 is a wasteful number, since it uses less digits than its factorization.

82879580853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208842323 (or 9208842320 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 63.

The spelling of 82879580853 in words is "eighty-two billion, eight hundred seventy-nine million, five hundred eighty thousand, eight hundred fifty-three".