82960665777 has 96 divisors (see below), whose sum is σ = 140173488000. Its totient is φ = 48399120000.

The previous prime is 82960665773. The next prime is 82960665811. The reversal of 82960665777 is 77756606928.

It is not a de Polignac number, because 82960665777 - 2² = 82960665773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82960665773) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36853902 + ... + 36856152.

It is an arithmetic number, because the mean of its divisors is an integer number (1460140500).

Almost surely, 2^82960665777 is an apocalyptic number.

82960665777 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

82960665777 is a deficient number, since it is larger than the sum of its proper divisors (57212822223).

82960665777 is a wasteful number, since it uses less digits than its factorization.

82960665777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

It can be divided in two parts, 829 and 60665777, that added together give a palindrome (60666606).

The spelling of 82960665777 in words is "eighty-two billion, nine hundred sixty million, six hundred sixty-five thousand, seven hundred seventy-seven".