85564422357 has 8 divisors (see below), whose sum is σ = 114100356576. Its totient is φ = 57035718192.

The previous prime is 85564422347. The next prime is 85564422413. The reversal of 85564422357 is 75322446558.

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

It is not a de Polignac number, because 85564422357 - 2⁸ = 85564422101 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85564422347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779838 + ... + 1827279.

It is an arithmetic number, because the mean of its divisors is an integer number (14262544572).

Almost surely, 2^85564422357 is an apocalyptic number.

It is an amenable number.

85564422357 is a deficient number, since it is larger than the sum of its proper divisors (28535934219).

85564422357 is a wasteful number, since it uses less digits than its factorization.

85564422357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615027.

The product of its digits is 8064000, while the sum is 51.

The spelling of 85564422357 in words is "eighty-five billion, five hundred sixty-four million, four hundred twenty-two thousand, three hundred fifty-seven".