82774748682 has 24 divisors (see below), whose sum is σ = 179356287396. Its totient is φ = 27589890816.

The previous prime is 82774748591. The next prime is 82774748723. The reversal of 82774748682 is 28684747728.

82774748682 is a `hidden beast` number, since 8 + 2 + 7 + 7 + 474 + 86 + 82 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82207784961 + 566963721 = 286719^2 + 23811^2 .

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, 180468 + ... + 445104.

Almost surely, 2^82774748682 is an apocalyptic number.

82774748682 is an abundant number, since it is smaller than the sum of its proper divisors (96581538714).

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

82774748682 is a wasteful number, since it uses less digits than its factorization.

82774748682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282022 (or 282019 counting only the distinct ones).

The product of its digits is 67436544, while the sum is 63.

The spelling of 82774748682 in words is "eighty-two billion, seven hundred seventy-four million, seven hundred forty-eight thousand, six hundred eighty-two".