82123708 has 24 divisors (see below), whose sum is σ = 155141280. Its totient is φ = 37920960.

The previous prime is 82123687. The next prime is 82123721. The reversal of 82123708 is 80732128.

It is a self number, because there is not a number n which added to its sum of digits gives 82123708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12723 + ... + 18058.

It is an arithmetic number, because the mean of its divisors is an integer number (6464220).

Almost surely, 2^82123708 is an apocalyptic number.

It is an amenable number.

82123708 is a deficient number, since it is larger than the sum of its proper divisors (73017572).

82123708 is a wasteful number, since it uses less digits than its factorization.

82123708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30837 (or 30835 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 82123708 is about 9062.2131954617. The cubic root of 82123708 is about 434.6665132401. Note that the first 3 decimals are identical.

The spelling of 82123708 in words is "eighty-two million, one hundred twenty-three thousand, seven hundred eight".