86220485 has 16 divisors (see below), whose sum is σ = 111921264. Its totient is φ = 63386112.

The previous prime is 86220473. The next prime is 86220503. The reversal of 86220485 is 58402268.

It can be written as a sum of positive squares in 8 ways, for example, as 30658369 + 55562116 = 5537^2 + 7454^2 .

It is a cyclic number.

It is not a de Polignac number, because 86220485 - 2¹⁴ = 86204101 is a prime.

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, 12299 + ... + 17991.

It is an arithmetic number, because the mean of its divisors is an integer number (6995079).

Almost surely, 2^86220485 is an apocalyptic number.

It is an amenable number.

86220485 is a deficient number, since it is larger than the sum of its proper divisors (25700779).

86220485 is a wasteful number, since it uses less digits than its factorization.

86220485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 86220485 is about 9285.4986403531. The cubic root of 86220485 is about 441.7773921194. Note that the first 3 decimals are identical.

The spelling of 86220485 in words is "eighty-six million, two hundred twenty thousand, four hundred eighty-five".