86509203 has 16 divisors (see below), whose sum is σ = 126034176. Its totient is φ = 52345440.

The previous prime is 86509193. The next prime is 86509207. The reversal of 86509203 is 30290568.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-86509203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (86509207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23250 + ... + 26712.

It is an arithmetic number, because the mean of its divisors is an integer number (7877136).

Almost surely, 2^86509203 is an apocalyptic number.

86509203 is a deficient number, since it is larger than the sum of its proper divisors (39524973).

86509203 is a wasteful number, since it uses less digits than its factorization.

86509203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 86509203 is about 9301.0323620553. The cubic root of 86509203 is about 442.2699547977.

The spelling of 86509203 in words is "eighty-six million, five hundred nine thousand, two hundred three".