86253806508485 has 32 divisors (see below), whose sum is σ = 129075911596800. Its totient is φ = 53755583477760.

The previous prime is 86253806508449. The next prime is 86253806508509. The reversal of 86253806508485 is 58480560835268.

It is not a de Polignac number, because 86253806508485 - 2¹² = 86253806504389 is a prime.

It is a congruent number.

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, 25539890 + ... + 28719219.

It is an arithmetic number, because the mean of its divisors is an integer number (4033622237400).

Almost surely, 2^{86253806508485} is an apocalyptic number.

It is an amenable number.

86253806508485 is a deficient number, since it is larger than the sum of its proper divisors (42822105088315).

86253806508485 is a wasteful number, since it uses less digits than its factorization.

86253806508485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54263261.

The product of its (nonzero) digits is 442368000, while the sum is 68.

The spelling of 86253806508485 in words is "eighty-six trillion, two hundred fifty-three billion, eight hundred six million, five hundred eight thousand, four hundred eighty-five".