82357855 has 16 divisors (see below), whose sum is σ = 102297600. Its totient is φ = 63586080.

The previous prime is 82357817. The next prime is 82357859. The reversal of 82357855 is 55875328.

It is not a de Polignac number, because 82357855 - 2¹⁷ = 82226783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82357859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111076 + ... + 111814.

It is an arithmetic number, because the mean of its divisors is an integer number (6393600).

Almost surely, 2^82357855 is an apocalyptic number.

82357855 is a deficient number, since it is larger than the sum of its proper divisors (19939745).

82357855 is a wasteful number, since it uses less digits than its factorization.

82357855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494.

The product of its digits is 336000, while the sum is 43.

The square root of 82357855 is about 9075.1228641821. The cubic root of 82357855 is about 435.0792210496.

The spelling of 82357855 in words is "eighty-two million, three hundred fifty-seven thousand, eight hundred fifty-five".