82820377106 has 8 divisors (see below), whose sum is σ = 124525651404. Its totient is φ = 41311826640.

The previous prime is 82820377091. The next prime is 82820377111. The reversal of 82820377106 is 60177302828.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50508517081 + 32311860025 = 224741^2 + 179755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49179905 + ... + 49181588.

Almost surely, 2^82820377106 is an apocalyptic number.

82820377106 is a deficient number, since it is larger than the sum of its proper divisors (41705274298).

82820377106 is a wasteful number, since it uses less digits than its factorization.

82820377106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98361916.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 82820377106 in words is "eighty-two billion, eight hundred twenty million, three hundred seventy-seven thousand, one hundred six".