85417064434 has 32 divisors (see below), whose sum is σ = 146315559600.
Its totient is φ = 37048983552.
The previous prime is 85417064413. The next prime is 85417064441. The reversal of 85417064434 is 43446071458.
It can be written as a sum of positive squares in 8 ways, for example, as 30433849209 + 54983215225 = 174453^2 + 234485^2
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153892 + ... + 441040.
Almost surely, 285417064434 is an apocalyptic number.
85417064434 is a deficient number, since it is larger than the sum of its proper divisors (60898495166).
85417064434 is a wasteful number, since it uses less digits than its factorization.
85417064434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287854.
The product of its (nonzero) digits is 1290240, while the sum is 46.
The spelling of 85417064434 in words is "eighty-five billion, four hundred seventeen million, sixty-four thousand, four hundred thirty-four".