86253781105066 has 4 divisors (see below), whose sum is σ = 129380671657602. Its totient is φ = 43126890552532.

The previous prime is 86253781105039. The next prime is 86253781105201. The reversal of 86253781105066 is 66050118735268.

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., 75574421156025 + 10679359949041 = 8693355^2 + 3267929^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 86253781105066.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21563445276265 + ... + 21563445276268.

Almost surely, 2^{86253781105066} is an apocalyptic number.

86253781105066 is a deficient number, since it is larger than the sum of its proper divisors (43126890552536).

86253781105066 is a wasteful number, since it uses less digits than its factorization.

86253781105066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43126890552535.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 86253781105066 in words is "eighty-six trillion, two hundred fifty-three billion, seven hundred eighty-one million, one hundred five thousand, sixty-six".