82365280 has 24 divisors (see below), whose sum is σ = 194588352. Its totient is φ = 32946048.

The previous prime is 82365271. The next prime is 82365331. The reversal of 82365280 is 8256328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257232 + ... + 257551.

It is an arithmetic number, because the mean of its divisors is an integer number (8107848).

Almost surely, 2^82365280 is an apocalyptic number.

82365280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82365280 is an abundant number, since it is smaller than the sum of its proper divisors (112223072).

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

82365280 is a wasteful number, since it uses less digits than its factorization.

82365280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514798 (or 514790 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 82365280 is about 9075.5319403328. The cubic root of 82365280 is about 435.0922955610.

The spelling of 82365280 in words is "eighty-two million, three hundred sixty-five thousand, two hundred eighty".