8585073390 has 32 divisors (see below), whose sum is σ = 20656104480. Its totient is φ = 2283583104.

The previous prime is 8585073379. The next prime is 8585073391. The reversal of 8585073390 is 933705858.

It is a happy number.

It is a super-2 number, since 2×8585073390² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8585073391) 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, 348505 + ... + 372324.

It is an arithmetic number, because the mean of its divisors is an integer number (645503265).

Almost surely, 2^8585073390 is an apocalyptic number.

8585073390 is an abundant number, since it is smaller than the sum of its proper divisors (12071031090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8585073390 is a wasteful number, since it uses less digits than its factorization.

8585073390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721236.

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 8585073390 is about 92655.6711162355. The cubic root of 8585073390 is about 2047.6135934748.

The spelling of 8585073390 in words is "eight billion, five hundred eighty-five million, seventy-three thousand, three hundred ninety".