82669446764 has 48 divisors (see below), whose sum is σ = 151429195008. Its totient is φ = 39454112448.

The previous prime is 82669446763. The next prime is 82669446787. The reversal of 82669446764 is 46764496628.

It is a junction number, because it is equal to n+sod(n) for n = 82669446697 and 82669446706.

It is not an unprimeable number, because it can be changed into a prime (82669446763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605767 + ... + 1656449.

It is an arithmetic number, because the mean of its divisors is an integer number (3154774896).

Almost surely, 2^82669446764 is an apocalyptic number.

It is an amenable number.

82669446764 is a deficient number, since it is larger than the sum of its proper divisors (68759748244).

82669446764 is a wasteful number, since it uses less digits than its factorization.

82669446764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50934 (or 50932 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 62.

The spelling of 82669446764 in words is "eighty-two billion, six hundred sixty-nine million, four hundred forty-six thousand, seven hundred sixty-four".