85812258759 has 24 divisors (see below), whose sum is σ = 122027165568. Its totient is φ = 53628336000.

The previous prime is 85812258757. The next prime is 85812258781. The reversal of 85812258759 is 95785221858.

It is not a de Polignac number, because 85812258759 - 2¹ = 85812258757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85812258757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20454 + ... + 414780.

It is an arithmetic number, because the mean of its divisors is an integer number (5084465232).

Almost surely, 2^85812258759 is an apocalyptic number.

85812258759 is a deficient number, since it is larger than the sum of its proper divisors (36214906809).

85812258759 is a wasteful number, since it uses less digits than its factorization.

85812258759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394615 (or 394598 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 60.

The spelling of 85812258759 in words is "eighty-five billion, eight hundred twelve million, two hundred fifty-eight thousand, seven hundred fifty-nine".