85520635326 has 64 divisors (see below), whose sum is σ = 218040629760. Its totient is φ = 24339363840.

The previous prime is 85520635309. The next prime is 85520635327. The reversal of 85520635326 is 62353602558.

85520635326 is a `hidden beast` number, since 8 + 5 + 5 + 2 + 0 + 635 + 3 + 2 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85520635327) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 343020 + ... + 537311.

It is an arithmetic number, because the mean of its divisors is an integer number (3406884840).

Almost surely, 2^85520635326 is an apocalyptic number.

85520635326 is an abundant number, since it is smaller than the sum of its proper divisors (132519994434).

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

85520635326 is a wasteful number, since it uses less digits than its factorization.

85520635326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880606 (or 880600 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 85520635326 in words is "eighty-five billion, five hundred twenty million, six hundred thirty-five thousand, three hundred twenty-six".