86480505 has 12 divisors (see below), whose sum is σ = 149899620. Its totient is φ = 46122912.

The previous prime is 86480501. The next prime is 86480519. The reversal of 86480505 is 50508468.

It is a happy number.

86480505 is a `hidden beast` number, since 8 + 648 + 0 + 5 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55711296 + 30769209 = 7464^2 + 5547^2 .

It is not a de Polignac number, because 86480505 - 2² = 86480501 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86480505.

It is not an unprimeable number, because it can be changed into a prime (86480501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960850 + ... + 960939.

It is an arithmetic number, because the mean of its divisors is an integer number (12491635).

Almost surely, 2^86480505 is an apocalyptic number.

It is an amenable number.

86480505 is a deficient number, since it is larger than the sum of its proper divisors (63419115).

86480505 is a wasteful number, since it uses less digits than its factorization.

86480505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921800 (or 1921797 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 86480505 is about 9299.4895021178. The cubic root of 86480505 is about 442.2210441367.

The spelling of 86480505 in words is "eighty-six million, four hundred eighty thousand, five hundred five".