82107169 has 8 divisors (see below), whose sum is σ = 84272832. Its totient is φ = 79969680.

The previous prime is 82107101. The next prime is 82107187. The reversal of 82107169 is 96170128.

It is a happy number.

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 82107169 - 2¹³ = 82098977 is a prime.

It is a super-2 number, since 2×82107169² = 13483174402389122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82107469) 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, 1074 + ... + 12859.

It is an arithmetic number, because the mean of its divisors is an integer number (10534104).

Almost surely, 2^82107169 is an apocalyptic number.

It is an amenable number.

82107169 is a deficient number, since it is larger than the sum of its proper divisors (2165663).

82107169 is a wasteful number, since it uses less digits than its factorization.

82107169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14087.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 82107169 is about 9061.3006240826. The cubic root of 82107169 is about 434.6373319302.

The spelling of 82107169 in words is "eighty-two million, one hundred seven thousand, one hundred sixty-nine".