84825587208255 has 32 divisors (see below), whose sum is σ = 143708832331200. Its totient is φ = 42577841805312.

The previous prime is 84825587208253. The next prime is 84825587208283. The reversal of 84825587208255 is 55280278552848.

It is not a de Polignac number, because 84825587208255 - 2¹ = 84825587208253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84825587208255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84825587208253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3565081 + ... + 13504109.

It is an arithmetic number, because the mean of its divisors is an integer number (4490901010350).

Almost surely, 2^{84825587208255} is an apocalyptic number.

84825587208255 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

84825587208255 is a deficient number, since it is larger than the sum of its proper divisors (58883245122945).

84825587208255 is a wasteful number, since it uses less digits than its factorization.

84825587208255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972523.

The product of its (nonzero) digits is 573440000, while the sum is 69.

The spelling of 84825587208255 in words is "eighty-four trillion, eight hundred twenty-five billion, five hundred eighty-seven million, two hundred eight thousand, two hundred fifty-five".