82380637855505 has 16 divisors (see below), whose sum is σ = 107855912600064. Its totient is φ = 59906430890880.

The previous prime is 82380637855447. The next prime is 82380637855507. The reversal of 82380637855505 is 50555873608328.

It is not a de Polignac number, because 82380637855505 - 2¹⁶ = 82380637789969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82380637855507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84011564 + ... + 84986493.

It is an arithmetic number, because the mean of its divisors is an integer number (6740994537504).

Almost surely, 2^{82380637855505} is an apocalyptic number.

It is an amenable number.

82380637855505 is a deficient number, since it is larger than the sum of its proper divisors (25475274744559).

82380637855505 is a wasteful number, since it uses less digits than its factorization.

82380637855505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169006936.

The product of its (nonzero) digits is 241920000, while the sum is 65.

The spelling of 82380637855505 in words is "eighty-two trillion, three hundred eighty billion, six hundred thirty-seven million, eight hundred fifty-five thousand, five hundred five".