86557509385 has 16 divisors (see below), whose sum is σ = 104323609152. Its totient is φ = 68943160000.

The previous prime is 86557509373. The next prime is 86557509443. The reversal of 86557509385 is 58390575568.

It is not a de Polignac number, because 86557509385 - 2²⁷ = 86423291657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3578502 + ... + 3602608.

It is an arithmetic number, because the mean of its divisors is an integer number (6520225572).

Almost surely, 2^86557509385 is an apocalyptic number.

It is an amenable number.

86557509385 is a deficient number, since it is larger than the sum of its proper divisors (17766099767).

86557509385 is a wasteful number, since it uses less digits than its factorization.

86557509385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27224.

The product of its (nonzero) digits is 45360000, while the sum is 61.

The spelling of 86557509385 in words is "eighty-six billion, five hundred fifty-seven million, five hundred nine thousand, three hundred eighty-five".