85790622585 has 16 divisors (see below), whose sum is σ = 137334125376. Its totient is φ = 45731955648.

The previous prime is 85790622583. The next prime is 85790622611. The reversal of 85790622585 is 58522609758.

It is not a de Polignac number, because 85790622585 - 2¹ = 85790622583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85790622581) 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 15 ways as a sum of consecutive naturals, for example, 1409394 + ... + 1469003.

It is an arithmetic number, because the mean of its divisors is an integer number (8583382836).

Almost surely, 2^85790622585 is an apocalyptic number.

It is an amenable number.

85790622585 is a deficient number, since it is larger than the sum of its proper divisors (51543502791).

85790622585 is a wasteful number, since it uses less digits than its factorization.

85790622585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880392.

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 85790622585 in words is "eighty-five billion, seven hundred ninety million, six hundred twenty-two thousand, five hundred eighty-five".