82277774472 has 32 divisors (see below), whose sum is σ = 205760530080. Its totient is φ = 27417112320.

The previous prime is 82277774459. The next prime is 82277774519. The reversal of 82277774472 is 27447777228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474318 + ... + 624125.

It is an arithmetic number, because the mean of its divisors is an integer number (6430016565).

Almost surely, 2^82277774472 is an apocalyptic number.

It is an amenable number.

82277774472 is an abundant number, since it is smaller than the sum of its proper divisors (123482755608).

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

82277774472 is a wasteful number, since it uses less digits than its factorization.

82277774472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101573 (or 1101569 counting only the distinct ones).

The product of its digits is 17210368, while the sum is 57.

The spelling of 82277774472 in words is "eighty-two billion, two hundred seventy-seven million, seven hundred seventy-four thousand, four hundred seventy-two".