85090822445 has 8 divisors (see below), whose sum is σ = 102699213336. Its totient is φ = 67679173696.

The previous prime is 85090822393. The next prime is 85090822451. The reversal of 85090822445 is 54422809058.

It can be written as a sum of positive squares in 4 ways, for example, as 45383485156 + 39707337289 = 213034^2 + 199267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85090822445 - 2⁸ = 85090822189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85090822445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49184582 + ... + 49186311.

It is an arithmetic number, because the mean of its divisors is an integer number (12837401667).

Almost surely, 2^85090822445 is an apocalyptic number.

It is an amenable number.

85090822445 is a deficient number, since it is larger than the sum of its proper divisors (17608390891).

85090822445 is a wasteful number, since it uses less digits than its factorization.

85090822445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98371071.

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 85090822445 in words is "eighty-five billion, ninety million, eight hundred twenty-two thousand, four hundred forty-five".