85854985298 has 4 divisors (see below), whose sum is σ = 128782477950. Its totient is φ = 42927492648.

The previous prime is 85854985291. The next prime is 85854985309. The reversal of 85854985298 is 89258945858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89258945858 = 2 ⋅44629472929.

It can be written as a sum of positive squares in only one way, i.e., 58065095089 + 27789890209 = 240967^2 + 166703^2 .

It is a super-2 number, since 2×85854985298² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (85854985291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21463746323 + ... + 21463746326.

Almost surely, 2^85854985298 is an apocalyptic number.

85854985298 is a deficient number, since it is larger than the sum of its proper divisors (42927492652).

85854985298 is a wasteful number, since it uses less digits than its factorization.

85854985298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42927492651.

The product of its digits is 331776000, while the sum is 71.

The spelling of 85854985298 in words is "eighty-five billion, eight hundred fifty-four million, nine hundred eighty-five thousand, two hundred ninety-eight".