82755320 has 64 divisors (see below), whose sum is σ = 198871200. Its totient is φ = 30883840.

The previous prime is 82755289. The next prime is 82755331. The reversal of 82755320 is 2355728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88616 + ... + 89544.

Almost surely, 2^82755320 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 82755320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99435600).

82755320 is an abundant number, since it is smaller than the sum of its proper divisors (116115880).

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

82755320 is a wasteful number, since it uses less digits than its factorization.

82755320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 82755320 is about 9096.9951082761. The cubic root of 82755320 is about 435.7780061145.

The spelling of 82755320 in words is "eighty-two million, seven hundred fifty-five thousand, three hundred twenty".