82256169 has 8 divisors (see below), whose sum is σ = 110464480. Its totient is φ = 54442656.

The previous prime is 82256131. The next prime is 82256171. The reversal of 82256169 is 96165228.

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

It is not a de Polignac number, because 82256169 - 2²³ = 73867561 is a prime.

It is a super-2 number, since 2×82256169² = 13532154677113122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82256129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98212 + ... + 99045.

It is an arithmetic number, because the mean of its divisors is an integer number (13808060).

Almost surely, 2^82256169 is an apocalyptic number.

It is an amenable number.

82256169 is a deficient number, since it is larger than the sum of its proper divisors (28208311).

82256169 is a wasteful number, since it uses less digits than its factorization.

82256169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197399.

The product of its digits is 51840, while the sum is 39.

The square root of 82256169 is about 9069.5186752109. The cubic root of 82256169 is about 434.9000853891.

The spelling of 82256169 in words is "eighty-two million, two hundred fifty-six thousand, one hundred sixty-nine".