82101799 has 8 divisors (see below), whose sum is σ = 88672752. Its totient is φ = 75567360.

The previous prime is 82101797. The next prime is 82101829. The reversal of 82101799 is 99710128.

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

It is a cyclic number.

It is not a de Polignac number, because 82101799 - 2¹ = 82101797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82101797) 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, 4357 + ... + 13534.

It is an arithmetic number, because the mean of its divisors is an integer number (11084094).

Almost surely, 2^82101799 is an apocalyptic number.

82101799 is a deficient number, since it is larger than the sum of its proper divisors (6570953).

82101799 is a wasteful number, since it uses less digits than its factorization.

82101799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18257.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 82101799 is about 9061.0043041597. The cubic root of 82101799 is about 434.6278562925.

The spelling of 82101799 in words is "eighty-two million, one hundred one thousand, seven hundred ninety-nine".