82127768 has 32 divisors (see below), whose sum is σ = 161352000. Its totient is φ = 39137280.

The previous prime is 82127767. The next prime is 82127789. The reversal of 82127768 is 86772128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82127767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16088 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (5042250).

Almost surely, 2^82127768 is an apocalyptic number.

It is an amenable number.

82127768 is a deficient number, since it is larger than the sum of its proper divisors (79224232).

82127768 is a wasteful number, since it uses less digits than its factorization.

82127768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595 (or 4591 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 82127768 is about 9062.4371997824. The cubic root of 82127768 is about 434.6736760802.

The spelling of 82127768 in words is "eighty-two million, one hundred twenty-seven thousand, seven hundred sixty-eight".