82169376 has 72 divisors (see below), whose sum is σ = 227740464. Its totient is φ = 25937280.

The previous prime is 82169369. The next prime is 82169387. The reversal of 82169376 is 67396128.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33471 + ... + 35841.

It is an arithmetic number, because the mean of its divisors is an integer number (3163062).

Almost surely, 2^82169376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82169376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113870232).

82169376 is an abundant number, since it is smaller than the sum of its proper divisors (145571088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82169376 is a wasteful number, since it uses less digits than its factorization.

82169376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2395 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 82169376 is about 9064.7325388011. The cubic root of 82169376 is about 434.7470692388.

The spelling of 82169376 in words is "eighty-two million, one hundred sixty-nine thousand, three hundred seventy-six".