85335420418 has 8 divisors (see below), whose sum is σ = 131462674812. Its totient is φ = 41514528816.

The previous prime is 85335420403. The next prime is 85335420419. The reversal of 85335420418 is 81402453358.

It can be written as a sum of positive squares in 2 ways, for example, as 74543742729 + 10791677689 = 273027^2 + 103883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85335420418² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85335420419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576590605 + ... + 576590752.

Almost surely, 2^85335420418 is an apocalyptic number.

85335420418 is a deficient number, since it is larger than the sum of its proper divisors (46127254394).

85335420418 is a wasteful number, since it uses less digits than its factorization.

85335420418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153181396.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 85335420418 in words is "eighty-five billion, three hundred thirty-five million, four hundred twenty thousand, four hundred eighteen".