82555075177556 has 48 divisors (see below), whose sum is σ = 147091654993920. Its totient is φ = 40535733571200.

The previous prime is 82555075177499. The next prime is 82555075177607. The reversal of 82555075177556 is 65577157055528.

It is a super-2 number, since 2×82555075177556² (a number of 29 digits) contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 185153135 + ... + 185598473.

It is an arithmetic number, because the mean of its divisors is an integer number (3064409479040).

Almost surely, 2^{82555075177556} is an apocalyptic number.

It is an amenable number.

82555075177556 is a deficient number, since it is larger than the sum of its proper divisors (64536579816364).

82555075177556 is a wasteful number, since it uses less digits than its factorization.

82555075177556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449184 (or 449182 counting only the distinct ones).

The product of its (nonzero) digits is 514500000, while the sum is 68.

The spelling of 82555075177556 in words is "eighty-two trillion, five hundred fifty-five billion, seventy-five million, one hundred seventy-seven thousand, five hundred fifty-six".