82061235543 has 64 divisors (see below), whose sum is σ = 134672384000. Its totient is φ = 43407995904.

The previous prime is 82061235523. The next prime is 82061235559. The reversal of 82061235543 is 34553216028.

It is a happy number.

It is not a de Polignac number, because 82061235543 - 2¹³ = 82061227351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82061235523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3044118 + ... + 3070956.

It is an arithmetic number, because the mean of its divisors is an integer number (2104256000).

Almost surely, 2^82061235543 is an apocalyptic number.

82061235543 is a deficient number, since it is larger than the sum of its proper divisors (52611148457).

82061235543 is a wasteful number, since it uses less digits than its factorization.

82061235543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27044.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 82061235543 in words is "eighty-two billion, sixty-one million, two hundred thirty-five thousand, five hundred forty-three".