86705242765266 has 64 divisors (see below), whose sum is σ = 175293030528000. Its totient is φ = 28588810264896.

The previous prime is 86705242765243. The next prime is 86705242765277. The reversal of 86705242765266 is 66256724250768.

It is a junction number, because it is equal to n+sod(n) for n = 86705242765197 and 86705242765206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5508934425 + ... + 5508950163.

It is an arithmetic number, because the mean of its divisors is an integer number (2738953602000).

Almost surely, 2^{86705242765266} is an apocalyptic number.

86705242765266 is an abundant number, since it is smaller than the sum of its proper divisors (88587787762734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86705242765266 is a wasteful number, since it uses less digits than its factorization.

86705242765266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28143.

The product of its (nonzero) digits is 406425600, while the sum is 66.

The spelling of 86705242765266 in words is "eighty-six trillion, seven hundred five billion, two hundred forty-two million, seven hundred sixty-five thousand, two hundred sixty-six".