86306994478085 has 16 divisors (see below), whose sum is σ = 107759022038640. Its totient is φ = 66279367795200.

The previous prime is 86306994478069. The next prime is 86306994478129. The reversal of 86306994478085 is 58087449960368.

It can be written as a sum of positive squares in 8 ways, for example, as 13119688096321 + 73187306381764 = 3622111^2 + 8554958^2 .

It is not a de Polignac number, because 86306994478085 - 2⁴ = 86306994478069 is a prime.

It is a super-3 number, since 3×86306994478085³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86306994477997 and 86306994478015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720265816 + ... + 1720315985.

It is an arithmetic number, because the mean of its divisors is an integer number (6734938877415).

Almost surely, 2^{86306994478085} is an apocalyptic number.

It is an amenable number.

86306994478085 is a deficient number, since it is larger than the sum of its proper divisors (21452027560555).

86306994478085 is a wasteful number, since it uses less digits than its factorization.

86306994478085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440582008.

The product of its (nonzero) digits is 2508226560, while the sum is 77.

The spelling of 86306994478085 in words is "eighty-six trillion, three hundred six billion, nine hundred ninety-four million, four hundred seventy-eight thousand, eighty-five".