86253776108785 has 4 divisors (see below), whose sum is σ = 103504531330548. Its totient is φ = 69003020887024.

The previous prime is 86253776108783. The next prime is 86253776108791. The reversal of 86253776108785 is 58780167735268.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43742032978176 + 42511743130609 = 6613776^2 + 6520103^2 .

It is a cyclic number.

It is not a de Polignac number, because 86253776108785 - 2¹ = 86253776108783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86253776108783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8625377610874 + ... + 8625377610883.

It is an arithmetic number, because the mean of its divisors is an integer number (25876132832637).

Almost surely, 2^{86253776108785} is an apocalyptic number.

It is an amenable number.

86253776108785 is a deficient number, since it is larger than the sum of its proper divisors (17250755221763).

86253776108785 is a wasteful number, since it uses less digits than its factorization.

86253776108785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17250755221762.

The product of its (nonzero) digits is 948326400, while the sum is 73.

The spelling of 86253776108785 in words is "eighty-six trillion, two hundred fifty-three billion, seven hundred seventy-six million, one hundred eight thousand, seven hundred eighty-five".