82770325 has 24 divisors (see below), whose sum is σ = 112376736. Its totient is φ = 59976000.

The previous prime is 82770323. The next prime is 82770343. The reversal of 82770325 is 52307728.

It is not a de Polignac number, because 82770325 - 2¹ = 82770323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82770323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134719 + ... + 135331.

It is an arithmetic number, because the mean of its divisors is an integer number (4682364).

Almost surely, 2^82770325 is an apocalyptic number.

It is an amenable number.

82770325 is a deficient number, since it is larger than the sum of its proper divisors (29606411).

82770325 is a wasteful number, since it uses less digits than its factorization.

82770325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 82770325 is about 9097.8197937748. The cubic root of 82770325 is about 435.8043426039.

It can be divided in two parts, 827703 and 25, that added together give a palindrome (827728).

The spelling of 82770325 in words is "eighty-two million, seven hundred seventy thousand, three hundred twenty-five".