86205379 has 12 divisors (see below), whose sum is σ = 95341536. Its totient is φ = 77873952.

The previous prime is 86205373. The next prime is 86205391. The reversal of 86205379 is 97350268.

It is not a de Polignac number, because 86205379 - 2⁵ = 86205347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86205373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2517 + ... + 13369.

It is an arithmetic number, because the mean of its divisors is an integer number (7945128).

Almost surely, 2^86205379 is an apocalyptic number.

86205379 is a deficient number, since it is larger than the sum of its proper divisors (9136157).

86205379 is a wasteful number, since it uses less digits than its factorization.

86205379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10926 (or 10913 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 86205379 is about 9284.6851858316. The cubic root of 86205379 is about 441.7515905208.

The spelling of 86205379 in words is "eighty-six million, two hundred five thousand, three hundred seventy-nine".