82466667620 has 24 divisors (see below), whose sum is σ = 174181049784. Its totient is φ = 32795991296.

The previous prime is 82466667593. The next prime is 82466667629. The reversal of 82466667620 is 2676666428.

It can be written as a sum of positive squares in 4 ways, for example, as 12356100964 + 70110566656 = 111158^2 + 264784^2 .

It is not an unprimeable number, because it can be changed into a prime (82466667629) 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 7 ways as a sum of consecutive naturals, for example, 11913689 + ... + 11920608.

It is an arithmetic number, because the mean of its divisors is an integer number (7257543741).

Almost surely, 2^82466667620 is an apocalyptic number.

It is an amenable number.

82466667620 is an abundant number, since it is smaller than the sum of its proper divisors (91714382164).

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

82466667620 is a wasteful number, since it uses less digits than its factorization.

82466667620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23834479 (or 23834477 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 82466667620 in words is "eighty-two billion, four hundred sixty-six million, six hundred sixty-seven thousand, six hundred twenty".