85280481320 has 64 divisors (see below), whose sum is σ = 192762234000. Its totient is φ = 33955891200.

The previous prime is 85280481311. The next prime is 85280481323. The reversal of 85280481320 is 2318408258.

It can be written as a sum of positive squares in 8 ways, for example, as 45677093284 + 39603388036 = 213722^2 + 199006^2 .

It is not an unprimeable number, because it can be changed into a prime (85280481323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8608370 + ... + 8618270.

Almost surely, 2^85280481320 is an apocalyptic number.

It is an amenable number.

85280481320 is an abundant number, since it is smaller than the sum of its proper divisors (107481752680).

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

85280481320 is a wasteful number, since it uses less digits than its factorization.

85280481320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10878 (or 10874 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

Adding to 85280481320 its reverse (2318408258), we get a palindrome (87598889578).

The spelling of 85280481320 in words is "eighty-five billion, two hundred eighty million, four hundred eighty-one thousand, three hundred twenty".