86287210 has 16 divisors (see below), whose sum is σ = 156217896. Its totient is φ = 34314688.

The previous prime is 86287199. The next prime is 86287217. The reversal of 86287210 is 1278268.

It can be written as a sum of positive squares in 4 ways, for example, as 63218401 + 23068809 = 7951^2 + 4803^2 .

It is not an unprimeable number, because it can be changed into a prime (86287217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23209 + ... + 26668.

Almost surely, 2^86287210 is an apocalyptic number.

86287210 is a deficient number, since it is larger than the sum of its proper divisors (69930686).

86287210 is a wasteful number, since it uses less digits than its factorization.

86287210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50057.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 86287210 is about 9289.0909135394. The cubic root of 86287210 is about 441.8913248105.

It can be divided in two parts, 86 and 287210, that added together give a square (287296 = 536²).

The spelling of 86287210 in words is "eighty-six million, two hundred eighty-seven thousand, two hundred ten".