82469276638 has 24 divisors (see below), whose sum is σ = 143913030912. Its totient is φ = 35340891264.

The previous prime is 82469276627. The next prime is 82469276671. The reversal of 82469276638 is 83667296428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1362670 + ... + 1421902.

It is an arithmetic number, because the mean of its divisors is an integer number (5996376288).

Almost surely, 2^82469276638 is an apocalyptic number.

82469276638 is a deficient number, since it is larger than the sum of its proper divisors (61443754274).

82469276638 is a wasteful number, since it uses less digits than its factorization.

82469276638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73456 (or 73449 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 61.

The spelling of 82469276638 in words is "eighty-two billion, four hundred sixty-nine million, two hundred seventy-six thousand, six hundred thirty-eight".