85031364500 has 24 divisors (see below), whose sum is σ = 185708501160. Its totient is φ = 34012545600.

The previous prime is 85031364491. The next prime is 85031364503. The reversal of 85031364500 is 546313058.

It can be written as a sum of positive squares in 4 ways, for example, as 1513832464 + 83517532036 = 38908^2 + 288994^2 .

It is a super-3 number, since 3×85031364500³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85031364503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85030865 + ... + 85031864.

It is an arithmetic number, because the mean of its divisors is an integer number (7737854215).

Almost surely, 2^85031364500 is an apocalyptic number.

It is an amenable number.

85031364500 is an abundant number, since it is smaller than the sum of its proper divisors (100677136660).

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

85031364500 is a wasteful number, since it uses less digits than its factorization.

85031364500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170062748 (or 170062736 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 85031364500 its reverse (546313058), we get a palindrome (85577677558).

The spelling of 85031364500 in words is "eighty-five billion, thirty-one million, three hundred sixty-four thousand, five hundred".