82420057115344 has 40 divisors (see below), whose sum is σ = 174394768770432. Its totient is φ = 37504251335040.

The previous prime is 82420057115339. The next prime is 82420057115393. The reversal of 82420057115344 is 44351175002428.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 82420057115294 and 82420057115303.

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 7 ways as a sum of consecutive naturals, for example, 2790480124 + ... + 2790509659.

Almost surely, 2^{82420057115344} is an apocalyptic number.

It is an amenable number.

82420057115344 is an abundant number, since it is smaller than the sum of its proper divisors (91974711655088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82420057115344 is a wasteful number, since it uses less digits than its factorization.

82420057115344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580989875 (or 5580989869 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 82420057115344 in words is "eighty-two trillion, four hundred twenty billion, fifty-seven million, one hundred fifteen thousand, three hundred forty-four".