86837109 has 16 divisors (see below), whose sum is σ = 117072384. Its totient is φ = 57250800.

The previous prime is 86837083. The next prime is 86837111. The reversal of 86837109 is 90173868.

It is not a de Polignac number, because 86837109 - 2⁸ = 86836853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86837129) 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, 151794 + ... + 152364.

It is an arithmetic number, because the mean of its divisors is an integer number (7317024).

Almost surely, 2^86837109 is an apocalyptic number.

It is an amenable number.

86837109 is a deficient number, since it is larger than the sum of its proper divisors (30235275).

86837109 is a wasteful number, since it uses less digits than its factorization.

86837109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 86837109 is about 9318.6430879179. The cubic root of 86837109 is about 442.8280461880.

The spelling of 86837109 in words is "eighty-six million, eight hundred thirty-seven thousand, one hundred nine".