82105335079554 has 16 divisors (see below), whose sum is σ = 166993901857440. Its totient is φ = 26904573076800.

The previous prime is 82105335079553. The next prime is 82105335079561. The reversal of 82105335079554 is 45597053350128.

It is a junction number, because it is equal to n+sod(n) for n = 82105335079494 and 82105335079503.

It is not an unprimeable number, because it can be changed into a prime (82105335079553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115967987047 + ... + 115967987754.

It is an arithmetic number, because the mean of its divisors is an integer number (10437118866090).

Almost surely, 2^{82105335079554} is an apocalyptic number.

82105335079554 is an abundant number, since it is smaller than the sum of its proper divisors (84888566777886).

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

82105335079554 is a wasteful number, since it uses less digits than its factorization.

82105335079554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231935974865.

The product of its (nonzero) digits is 22680000, while the sum is 57.

The spelling of 82105335079554 in words is "eighty-two trillion, one hundred five billion, three hundred thirty-five million, seventy-nine thousand, five hundred fifty-four".