82574771536 has 10 divisors (see below), whose sum is σ = 159988619882. Its totient is φ = 41287385760.

The previous prime is 82574771509. The next prime is 82574771597. The reversal of 82574771536 is 63517747528.

It can be written as a sum of positive squares in only one way, i.e., 79354890000 + 3219881536 = 281700^2 + 56744^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580461595 + ... + 2580461626.

Almost surely, 2^82574771536 is an apocalyptic number.

It is an amenable number.

82574771536 is a deficient number, since it is larger than the sum of its proper divisors (77413848346).

82574771536 is a wasteful number, since it uses less digits than its factorization.

82574771536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160923229 (or 5160923223 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 55.

The spelling of 82574771536 in words is "eighty-two billion, five hundred seventy-four million, seven hundred seventy-one thousand, five hundred thirty-six".