86484861 has 16 divisors (see below), whose sum is σ = 128318400. Its totient is φ = 57569904.

The previous prime is 86484859. The next prime is 86484883. The reversal of 86484861 is 16848468.

It is not a de Polignac number, because 86484861 - 2¹ = 86484859 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86484161) by changing a digit.

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, 19510 + ... + 23528.

It is an arithmetic number, because the mean of its divisors is an integer number (8019900).

Almost surely, 2^86484861 is an apocalyptic number.

It is an amenable number.

86484861 is a deficient number, since it is larger than the sum of its proper divisors (41833539).

86484861 is a wasteful number, since it uses less digits than its factorization.

86484861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825 (or 4819 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 86484861 is about 9299.7237055732. The cubic root of 86484861 is about 442.2284688641.

The spelling of 86484861 in words is "eighty-six million, four hundred eighty-four thousand, eight hundred sixty-one".