85837989122 has 6 divisors (see below), whose sum is σ = 128757605193. Its totient is φ = 42918787392.

The previous prime is 85837989103. The next prime is 85837989137. The reversal of 85837989122 is 22198973858.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47437275601 + 38400713521 = 217801^2 + 195961^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=207169.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 310754 + ... + 517922.

Almost surely, 2^85837989122 is an apocalyptic number.

85837989122 is a deficient number, since it is larger than the sum of its proper divisors (42919616071).

85837989122 is an frugal number, since it uses more digits than its factorization.

85837989122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414340 (or 207171 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 62.

The spelling of 85837989122 in words is "eighty-five billion, eight hundred thirty-seven million, nine hundred eighty-nine thousand, one hundred twenty-two".