85110287213 has 12 divisors (see below), whose sum is σ = 99011197692. Its totient is φ = 72947730240.

The previous prime is 85110287209. The next prime is 85110287267. The reversal of 85110287213 is 31278201158.

It can be written as a sum of positive squares in 2 ways, for example, as 37689563044 + 47420724169 = 194138^2 + 217763^2 .

It is not a de Polignac number, because 85110287213 - 2² = 85110287209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85110287113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206431 + ... + 1275027.

It is an arithmetic number, because the mean of its divisors is an integer number (8250933141).

Almost surely, 2^85110287213 is an apocalyptic number.

It is an amenable number.

85110287213 is a deficient number, since it is larger than the sum of its proper divisors (13900910479).

85110287213 is a wasteful number, since it uses less digits than its factorization.

85110287213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93932 (or 93925 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 85110287213 in words is "eighty-five billion, one hundred ten million, two hundred eighty-seven thousand, two hundred thirteen".