82070959690 has 16 divisors (see below), whose sum is σ = 148719191400. Its totient is φ = 32608058560.

The previous prime is 82070959673. The next prime is 82070959693. The reversal of 82070959690 is 9695907028.

It can be written as a sum of positive squares in 4 ways, for example, as 25318856161 + 56752103529 = 159119^2 + 238227^2 .

It is a super-2 number, since 2×82070959690² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82070959693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27539101 + ... + 27542080.

Almost surely, 2^82070959690 is an apocalyptic number.

82070959690 is a deficient number, since it is larger than the sum of its proper divisors (66648231710).

82070959690 is a wasteful number, since it uses less digits than its factorization.

82070959690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55081337.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 82070959690 in words is "eighty-two billion, seventy million, nine hundred fifty-nine thousand, six hundred ninety".