82582665481 has 4 divisors (see below), whose sum is σ = 85246622464. Its totient is φ = 79918708500.

The previous prime is 82582665457. The next prime is 82582665491. The reversal of 82582665481 is 18456628528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82582665481 - 2²⁹ = 82045794569 is a prime.

It is a super-2 number, since 2×82582665481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82582665421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331978445 + ... + 1331978506.

It is an arithmetic number, because the mean of its divisors is an integer number (21311655616).

Almost surely, 2^82582665481 is an apocalyptic number.

It is an amenable number.

82582665481 is a deficient number, since it is larger than the sum of its proper divisors (2663956983).

82582665481 is a wasteful number, since it uses less digits than its factorization.

82582665481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663956982.

The product of its digits is 7372800, while the sum is 55.

The spelling of 82582665481 in words is "eighty-two billion, five hundred eighty-two million, six hundred sixty-five thousand, four hundred eighty-one".