85843350266 has 4 divisors (see below), whose sum is σ = 128765025402. Its totient is φ = 42921675132.

The previous prime is 85843350247. The next prime is 85843350319. The reversal of 85843350266 is 66205334858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80386425625 + 5456924641 = 283525^2 + 73871^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21460837565 + ... + 21460837568.

Almost surely, 2^85843350266 is an apocalyptic number.

85843350266 is a deficient number, since it is larger than the sum of its proper divisors (42921675136).

85843350266 is a wasteful number, since it uses less digits than its factorization.

85843350266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42921675135.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 85843350266 in words is "eighty-five billion, eight hundred forty-three million, three hundred fifty thousand, two hundred sixty-six".