82638872536026 has 24 divisors (see below), whose sum is σ = 175571860685760. Its totient is φ = 25925920795072.

The previous prime is 82638872536021. The next prime is 82638872536091. The reversal of 82638872536026 is 62063527883628.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82638872536021) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 23828969586 + ... + 23828973053.

It is an arithmetic number, because the mean of its divisors is an integer number (7315494195240).

Almost surely, 2^{82638872536026} is an apocalyptic number.

82638872536026 is an abundant number, since it is smaller than the sum of its proper divisors (92932988149734).

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

82638872536026 is a wasteful number, since it uses less digits than its factorization.

82638872536026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47657942678 (or 47657942661 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 66.

The spelling of 82638872536026 in words is "eighty-two trillion, six hundred thirty-eight billion, eight hundred seventy-two million, five hundred thirty-six thousand, twenty-six".