82070959689 has 6 divisors (see below), whose sum is σ = 118546941786. Its totient is φ = 54713973120.

The previous prime is 82070959673. The next prime is 82070959693. The reversal of 82070959689 is 98695907028.

It can be written as a sum of positive squares in only one way, i.e., 82063342089 + 7617600 = 286467^2 + 2760^2 .

It is not a de Polignac number, because 82070959689 - 2⁴ = 82070959673 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82070959189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4559497752 + ... + 4559497769.

It is an arithmetic number, because the mean of its divisors is an integer number (19757823631).

Almost surely, 2^82070959689 is an apocalyptic number.

It is an amenable number.

82070959689 is a deficient number, since it is larger than the sum of its proper divisors (36475982097).

82070959689 is a wasteful number, since it uses less digits than its factorization.

82070959689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9118995527 (or 9118995524 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 82070959689 in words is "eighty-two billion, seventy million, nine hundred fifty-nine thousand, six hundred eighty-nine".