85866854026 has 16 divisors (see below), whose sum is σ = 131804136288. Its totient is φ = 41932270800.

The previous prime is 85866854023. The next prime is 85866854053. The reversal of 85866854026 is 62045866858.

It is not an unprimeable number, because it can be changed into a prime (85866854023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2218621 + ... + 2256991.

It is an arithmetic number, because the mean of its divisors is an integer number (8237758518).

Almost surely, 2^85866854026 is an apocalyptic number.

85866854026 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

85866854026 is a deficient number, since it is larger than the sum of its proper divisors (45937282262).

85866854026 is a wasteful number, since it uses less digits than its factorization.

85866854026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64437.

The product of its (nonzero) digits is 22118400, while the sum is 58.

The spelling of 85866854026 in words is "eighty-five billion, eight hundred sixty-six million, eight hundred fifty-four thousand, twenty-six".