82254066639 has 16 divisors (see below), whose sum is σ = 110593332480. Its totient is φ = 54376297920.

The previous prime is 82254066637. The next prime is 82254066647. The reversal of 82254066639 is 93666045228.

It is not a de Polignac number, because 82254066639 - 2¹ = 82254066637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82254066591 and 82254066600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82254066637) 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, 268824 + ... + 486594.

It is an arithmetic number, because the mean of its divisors is an integer number (6912083280).

Almost surely, 2^82254066639 is an apocalyptic number.

82254066639 is a deficient number, since it is larger than the sum of its proper divisors (28339265841).

82254066639 is a wasteful number, since it uses less digits than its factorization.

82254066639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218830.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 82254066639 in words is "eighty-two billion, two hundred fifty-four million, sixty-six thousand, six hundred thirty-nine".