82428199 has 8 divisors (see below), whose sum is σ = 95084928. Its totient is φ = 69991800.

The previous prime is 82428187. The next prime is 82428211. The reversal of 82428199 is 99182428.

It is an interprime number because it is at equal distance from previous prime (82428187) and next prime (82428211).

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 82428199 - 2⁵ = 82428167 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 (82425199) 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, 54277 + ... + 55774.

It is an arithmetic number, because the mean of its divisors is an integer number (11885616).

Almost surely, 2^82428199 is an apocalyptic number.

82428199 is a deficient number, since it is larger than the sum of its proper divisors (12656729).

82428199 is a wasteful number, since it uses less digits than its factorization.

82428199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110165.

The product of its digits is 82944, while the sum is 43.

The square root of 82428199 is about 9078.9976869696. The cubic root of 82428199 is about 435.2030566501.

The spelling of 82428199 in words is "eighty-two million, four hundred twenty-eight thousand, one hundred ninety-nine".