82134855602 has 18 divisors (see below), whose sum is σ = 123967538877. Its totient is φ = 40813911400.

The previous prime is 82134855529. The next prime is 82134855619. The reversal of 82134855602 is 20655843128.

It can be written as a sum of positive squares in 2 ways, for example, as 80016002641 + 2118852961 = 282871^2 + 46031^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=202651.

It is a super-2 number, since 2×82134855602² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 77412152 + ... + 77413212.

Almost surely, 2^82134855602 is an apocalyptic number.

82134855602 is a deficient number, since it is larger than the sum of its proper divisors (41832683275).

82134855602 is an frugal number, since it uses more digits than its factorization.

82134855602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 82134855602 in words is "eighty-two billion, one hundred thirty-four million, eight hundred fifty-five thousand, six hundred two".