85417255208 has 32 divisors (see below), whose sum is σ = 173714443560. Its totient is φ = 39215953920.

The previous prime is 85417255159. The next prime is 85417255211. The reversal of 85417255208 is 80255271458.

It can be written as a sum of positive squares in 4 ways, for example, as 37350200644 + 48067054564 = 193262^2 + 219242^2 .

It is a super-2 number, since 2×85417255208² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7653791 + ... + 7664942.

Almost surely, 2^85417255208 is an apocalyptic number.

It is an amenable number.

85417255208 is an abundant number, since it is smaller than the sum of its proper divisors (88297188352).

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

85417255208 is a wasteful number, since it uses less digits than its factorization.

85417255208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15318797 (or 15318793 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 85417255208 in words is "eighty-five billion, four hundred seventeen million, two hundred fifty-five thousand, two hundred eight".